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八年级英语（人教新目标）上册 复习状语从句 课件
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这是一份八年级英语（人教新目标）上册 复习状语从句 课件，共28页。PPT课件主要包含了复习目标，非谓语，形容词，掌握状语从句的关键，时间状语从句，PRACTICE ，While，as用法小结，When，when等内容，欢迎下载使用。
通过复习使学生懂得状语从句的定义、句法功能、分类、引导词，及各类状语从句的用法，联系试题提高学生分析和解决问题的能力。知晓状语从句的考查热点及做题方法。 复习难点：一些易混引导词的用法。 复习方法：自主学习;小组讨论;导学导练。
Step 1: 自主梳理：
状语从句是在复合句里用来修饰主句中的______动词、________动词、________、________或整个句子。状语从句一般由_______引导。从句位于______、______或______。位于______或______时通常用逗号隔开，位于______时可以不用逗号隔开。状语从句一共有_____种，他们是_______。
1.准确掌握每一个连词的含义。2.注意主句和从句的时态呼应。3.大部分状语从句可以放在主句之前，也可以放在主句之后。状语从句放在主句之前用逗号和主句隔开，放在主句之后不用逗号和主句隔开。
Step 2: 重点研讨：
时间状语从句的常用引导词
when, while, as, befre, after, whenever, since,until / till, nt…until, as sn as, the mment, the minute, the secnd,the instant, immediately, directly, instantly, hardly/scarcely…when, n sner…than… every time, each time, every year, each year, …the first /secnd…/last time, the day, any time,by the time, every/each time,
完成句子，总结when的用法
1._________________________(当电影结束时), the peple went back. ____________________ (当我住在那里的时候), I used t g t the seashre. 总结：when引导的时间状语从句，其谓语动词可以是延续的，也可以是瞬间的，可用于主句和从句动作同时发生或从句动作先于主句动作。2. We were having a class_____________________(突然有人闯了进来). We were abut t set ff ___________________(这时开始下雨了) 总结：相当于and at this / that time。意思为“正在/刚要……这/那时（突然……）”
When the film ended
When I lived there
when smene brke in
when it began t rain.
PRACTICE
1. We were swimming in the lake ______ suddenly the strm started. (北京春) A. when B. while C. until D. befre2. He was abut t tell me the secret ______ smene patted him n the shulder. (上海) A. as B. until C. while D. when3. He transplanted the little tree t the garden ______ it was the best time fr it. (上海) A. where B. when C. that D. until4. －Did Jack cme back early last night? (福建) －Yes. It was nt yet eight ’clck ____ he arrived hme. A. Befre B. when C. that D. until
1. Please dn’t talk s lud while thers are wrking.2. While I accept the prblem is difficult, I dn’t think I wn’t wrk it ut.3. Sme peple waste fd while thers haven’t enugh.
猜测词义，as用法小结
As I left the huse, I frgt the key.2. As I get lder, I get mre ptimistic.3. He hurried hme, lking behind as he went.4. As the weather is s bad, we have t stay hme.5. Yu can d it as yu like.6. Old as he is, he is still energetic.7. He speaks English as fluently as a native speaker.
Judge the meanings f “as”.
1.引导时间状语从句：强调同时发生或紧接着 发生，动作无先后。 ①当……时候 ②一边……一边…… ③随着 2.引导原因状语从句：由于3.引导方式状语从句：像，如4.引导让步状语从句：虽然5.引导比较状语从句：as…as…和……一样6.引导定语从句：如，像 7.介词：作为
连接词when, while, as的用法区别
1. When/While he was eating his lunch, the drbell rang. When I stpped my car, a man came up t me. 小结：while引导的时间状语从句的谓语动词必须是可延续的，而when引导的时间状语从句的谓语动词是可延续的，也可以是表短暂性动作的动词。2. When yu have finished yur wrk, yu may have a rest. 小结：从句动作发生在主句动作之前时，只能用when引导这个从句，不可用as或while。3. When/While/As I was walking dwn the street, I came acrss an ld friend f mine. 小结：如果主句表示的是短暂动作，而从句用延续性动作的进行时态表示在一段时间内正在进行的动作时，三者可互换使用。
用while, when, as 填空：
① _____________ I was walking dwn the street, I nticed a plice car in frnt f the stre.② ____________ Jhn arrived, I was cking lunch.③ ____________ he grew lder, he lst interest in everything except gardening.④ Hw can he get gd grades __________ he wn’t study?⑤ I was wandering thrugh the street_________ I caught sight f a tailr’s shp.⑥ _________ the grandparents lve the children, they are strict with them.
When/While/As
till, until和nt…until
观察句子，找出用法。① Yu may stay here until the rain stps.② I didn’t leave until he came.③ Until yu tld me I have n idea f it.④ It was nt until he came that I left.⑤ Nt until yu tld me did I have any idea f it. 用于肯定句：主句谓语动词必须是________________, 意为“某动作一直延续到某时间点才停止”。 用于否定句：主句谓语动词必须是_________________, 意为“某动作直到某时间才开始”。______可以用于句首, 而______不可以。在强调句型中, nt until 两词不可分开； nt until放在句首时，_______要倒装。
befre用法小结1. We had sailed fur days and fur nights befre we saw land.2. We hadn’t run a mile befre he felt tired.3. Please write it dwn befre yu frget it. 4. Befre I culd get in a wrd, he had measured me.
还没有/不到……就……
注意：befre从句中谓语不用否定式。Befre they reached the statin, the train had gne.
含有befre的句型结构： 1. It will be / was＋段时间＋befre…“过多久才” It_________________________(还要过两年) he leaves the cuntry. It ______________________(过了很长一段时间) befre he gt t sleep again. 2. It will be / was + nt＋段时间＋befre… “不多久就……” It wasn’t tw years befre he left the cuntry. It was nt lng befre he came back.
will be tw years befre
was a lng time
1. He made a mistake, but then he crrected the situatin ______ it gt wrse. (北京) A. until B. when C. befre D. as2. Scientists say it may be five r six years ______ it is pssible t test this medicine n human patients. (福建) A. since B. after C. befre D. when3. －Why didn’t yu tell him abut the meeting? (四川) －He rushed ut f the rm ______ I culd say a wrd. A. befre B. until C. whenD. after4. It is almst five years ______ we saw each ther last time. (北京) A. befre B. sinceC. after D. because
1. I have returned hme fur times since I came here.2. She has been wrking here since he left schl.3. I have seen her twice since he lived here.4. It is three years since the war brke ut.5. It was years since I had seen her. 译：_____________________________________总结：since从句的谓语动词一般是____________动词，主句的谓语动词是延续性或者反复发生的动作。主句时态为____________, 从句时态为______________。It is +sme time + since + did.It was +sme time + since+ had dne.
时间状语从句其它引导词小结：
1. the mment, the minute, the instant, immediately, directly, instantly, hardly…when, scarcely…when, n sner…than 等可引导时间状语从句，相当于as sn as的意思。 They rushed ut f the rm immediately they heard a lud nise.2. 在hardly…when, scarcely…when, n sner…than等引导的从句中，如果hardly或n sner或scarcely置于句首，句子必须用部分倒装结构。 Hardly had I gt hme when it began t rain. = I had hardly gt hme when it began t rain.
3．一些含有time的名词短语，如: every time, each time, next time, by the time等，以及the day, the year, the mrning等，也可引导一个时间状语从句。 The day he returned hme, his father was already dead. Next time yu cme, please bring yur dictinary.
3. One Friday, we were packing t leave fr a weekend away ____ my daughter heard cries fr help. A. after B. while C. since D. when4. Please call my secretary t arrange a meeting this afternn, r ____ it is cnvenient t yu. A. whenever B. hwever C. whichever D. wherever
Step 4: 迁移提升
____ he heard this, he gt very angry. 2. I met Lucy____ I was walking alng the river. A. when B. while
1. We were abut t leave____ it began t rain.2. She thught I was talking abut her sn, ____, in fact, I was talking abut my sn.3. Hardly had I finished my cmpsitin ____ the bell rang. A. when B. while C. as D. during
状语从句有九种， 时地条件和原因，目比结果方让步，连词引导各不同；主句通常前面走， 连词引导紧随后；从句若在主前头， 主从之间有个逗。
Write a shrt article including adverbials as many as pssible.Keep the meanings f the cnjunctins in mind.
通过复习使学生懂得状语从句的定义、句法功能、分类、引导词，及各类状语从句的用法，联系试题提高学生分析和解决问题的能力。知晓状语从句的考查热点及做题方法。 复习难点：一些易混引导词的用法。 复习方法：自主学习;小组讨论;导学导练。
Step 1: 自主梳理：
状语从句是在复合句里用来修饰主句中的______动词、________动词、________、________或整个句子。状语从句一般由_______引导。从句位于______、______或______。位于______或______时通常用逗号隔开，位于______时可以不用逗号隔开。状语从句一共有_____种，他们是_______。
1.准确掌握每一个连词的含义。2.注意主句和从句的时态呼应。3.大部分状语从句可以放在主句之前，也可以放在主句之后。状语从句放在主句之前用逗号和主句隔开，放在主句之后不用逗号和主句隔开。
Step 2: 重点研讨：
时间状语从句的常用引导词
when, while, as, befre, after, whenever, since,until / till, nt…until, as sn as, the mment, the minute, the secnd,the instant, immediately, directly, instantly, hardly/scarcely…when, n sner…than… every time, each time, every year, each year, …the first /secnd…/last time, the day, any time,by the time, every/each time,
完成句子，总结when的用法
1._________________________(当电影结束时), the peple went back. ____________________ (当我住在那里的时候), I used t g t the seashre. 总结：when引导的时间状语从句，其谓语动词可以是延续的，也可以是瞬间的，可用于主句和从句动作同时发生或从句动作先于主句动作。2. We were having a class_____________________(突然有人闯了进来). We were abut t set ff ___________________(这时开始下雨了) 总结：相当于and at this / that time。意思为“正在/刚要……这/那时（突然……）”
When the film ended
When I lived there
when smene brke in
when it began t rain.
PRACTICE
1. We were swimming in the lake ______ suddenly the strm started. (北京春) A. when B. while C. until D. befre2. He was abut t tell me the secret ______ smene patted him n the shulder. (上海) A. as B. until C. while D. when3. He transplanted the little tree t the garden ______ it was the best time fr it. (上海) A. where B. when C. that D. until4. －Did Jack cme back early last night? (福建) －Yes. It was nt yet eight ’clck ____ he arrived hme. A. Befre B. when C. that D. until
1. Please dn’t talk s lud while thers are wrking.2. While I accept the prblem is difficult, I dn’t think I wn’t wrk it ut.3. Sme peple waste fd while thers haven’t enugh.
猜测词义，as用法小结
As I left the huse, I frgt the key.2. As I get lder, I get mre ptimistic.3. He hurried hme, lking behind as he went.4. As the weather is s bad, we have t stay hme.5. Yu can d it as yu like.6. Old as he is, he is still energetic.7. He speaks English as fluently as a native speaker.
Judge the meanings f “as”.
1.引导时间状语从句：强调同时发生或紧接着 发生，动作无先后。 ①当……时候 ②一边……一边…… ③随着 2.引导原因状语从句：由于3.引导方式状语从句：像，如4.引导让步状语从句：虽然5.引导比较状语从句：as…as…和……一样6.引导定语从句：如，像 7.介词：作为
连接词when, while, as的用法区别
1. When/While he was eating his lunch, the drbell rang. When I stpped my car, a man came up t me. 小结：while引导的时间状语从句的谓语动词必须是可延续的，而when引导的时间状语从句的谓语动词是可延续的，也可以是表短暂性动作的动词。2. When yu have finished yur wrk, yu may have a rest. 小结：从句动作发生在主句动作之前时，只能用when引导这个从句，不可用as或while。3. When/While/As I was walking dwn the street, I came acrss an ld friend f mine. 小结：如果主句表示的是短暂动作，而从句用延续性动作的进行时态表示在一段时间内正在进行的动作时，三者可互换使用。
用while, when, as 填空：
① _____________ I was walking dwn the street, I nticed a plice car in frnt f the stre.② ____________ Jhn arrived, I was cking lunch.③ ____________ he grew lder, he lst interest in everything except gardening.④ Hw can he get gd grades __________ he wn’t study?⑤ I was wandering thrugh the street_________ I caught sight f a tailr’s shp.⑥ _________ the grandparents lve the children, they are strict with them.
When/While/As
till, until和nt…until
观察句子，找出用法。① Yu may stay here until the rain stps.② I didn’t leave until he came.③ Until yu tld me I have n idea f it.④ It was nt until he came that I left.⑤ Nt until yu tld me did I have any idea f it. 用于肯定句：主句谓语动词必须是________________, 意为“某动作一直延续到某时间点才停止”。 用于否定句：主句谓语动词必须是_________________, 意为“某动作直到某时间才开始”。______可以用于句首, 而______不可以。在强调句型中, nt until 两词不可分开； nt until放在句首时，_______要倒装。
befre用法小结1. We had sailed fur days and fur nights befre we saw land.2. We hadn’t run a mile befre he felt tired.3. Please write it dwn befre yu frget it. 4. Befre I culd get in a wrd, he had measured me.
还没有/不到……就……
注意：befre从句中谓语不用否定式。Befre they reached the statin, the train had gne.
含有befre的句型结构： 1. It will be / was＋段时间＋befre…“过多久才” It_________________________(还要过两年) he leaves the cuntry. It ______________________(过了很长一段时间) befre he gt t sleep again. 2. It will be / was + nt＋段时间＋befre… “不多久就……” It wasn’t tw years befre he left the cuntry. It was nt lng befre he came back.
will be tw years befre
was a lng time
1. He made a mistake, but then he crrected the situatin ______ it gt wrse. (北京) A. until B. when C. befre D. as2. Scientists say it may be five r six years ______ it is pssible t test this medicine n human patients. (福建) A. since B. after C. befre D. when3. －Why didn’t yu tell him abut the meeting? (四川) －He rushed ut f the rm ______ I culd say a wrd. A. befre B. until C. whenD. after4. It is almst five years ______ we saw each ther last time. (北京) A. befre B. sinceC. after D. because
1. I have returned hme fur times since I came here.2. She has been wrking here since he left schl.3. I have seen her twice since he lived here.4. It is three years since the war brke ut.5. It was years since I had seen her. 译：_____________________________________总结：since从句的谓语动词一般是____________动词，主句的谓语动词是延续性或者反复发生的动作。主句时态为____________, 从句时态为______________。It is +sme time + since + did.It was +sme time + since+ had dne.
时间状语从句其它引导词小结：
1. the mment, the minute, the instant, immediately, directly, instantly, hardly…when, scarcely…when, n sner…than 等可引导时间状语从句，相当于as sn as的意思。 They rushed ut f the rm immediately they heard a lud nise.2. 在hardly…when, scarcely…when, n sner…than等引导的从句中，如果hardly或n sner或scarcely置于句首，句子必须用部分倒装结构。 Hardly had I gt hme when it began t rain. = I had hardly gt hme when it began t rain.
3．一些含有time的名词短语，如: every time, each time, next time, by the time等，以及the day, the year, the mrning等，也可引导一个时间状语从句。 The day he returned hme, his father was already dead. Next time yu cme, please bring yur dictinary.
3. One Friday, we were packing t leave fr a weekend away ____ my daughter heard cries fr help. A. after B. while C. since D. when4. Please call my secretary t arrange a meeting this afternn, r ____ it is cnvenient t yu. A. whenever B. hwever C. whichever D. wherever
Step 4: 迁移提升
____ he heard this, he gt very angry. 2. I met Lucy____ I was walking alng the river. A. when B. while
1. We were abut t leave____ it began t rain.2. She thught I was talking abut her sn, ____, in fact, I was talking abut my sn.3. Hardly had I finished my cmpsitin ____ the bell rang. A. when B. while C. as D. during
状语从句有九种， 时地条件和原因，目比结果方让步，连词引导各不同；主句通常前面走， 连词引导紧随后；从句若在主前头， 主从之间有个逗。
Write a shrt article including adverbials as many as pssible.Keep the meanings f the cnjunctins in mind.
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