英语选择性必修 第二册Grammar and usage教学演示课件ppt

这是一份英语选择性必修 第二册Grammar and usage教学演示课件ppt，共19页。PPT课件主要包含了Ⅰ重点单词，decrease，deny，quantity，airline，threat，spy，monitor，licence，stadium等内容，欢迎下载使用。

基础落实·必备知识全过关
1. _________ vt.& vi.减少，降低n.减少，降低
2. ______ vt.否认，否定；拒绝承认，拒绝接受
3. ________ n.数量；大量
4. _______ n. 航空公司
5. ______ n.构成威胁的人（或事物）；威胁，恐吓；凶兆
6. _____ vi.从事间谍活动 vt.突然看见n.间谍
7. ________vt.监视,跟踪调查;监听 n.显示屏;监测器;班长
8. _______n.许可证，执照
9. ________ n.体育场,运动场
10. ___________ n.分发，分送；分配，分布→_________ v.分配；分散；分布
distributin
11. _______ vt.预言，预告→__________ n.预报；预测→___________ adj.可预言的→__________ adj.预言性的；成为前兆的
predictable
12. _______ adj.不合法的，非法的→________ adv.非法地→______ adj.合法的→_______ adv.合法地
1. _____________ 独自地
2. ______________ 开始被使用
cme int use
3. ________________ 每天
n a daily basis
4. ___________ 另外，此外
5. ____________ 放轻松
take it easy
6. _________________ 利用
take advantage f
7. _________________ 大量，大批
in large quantities
8. ________ 暗中监视，窥探
重难探究·能力素养全提升
1. decrease vt.& vi.减少，降低 n.减少，降低
The prductin f the cttn this year is n the decrease, and cmpared with that f last year, it has decreased by 20%, but the price has increased by 30%. 今年的棉花产量在下降。与去年相比，产量下降了20%，但价格却上涨了30%。
【即学即练】 单句语法填空
①Accrding t the reprt,the number f cyclists running traffic lights is ____ the decrease.
②We have n idea when the husing prices will decrease ___ the level we can affrd.
③Cmpared t last year, the price f wheat has decreased ____ 15%.
2. deny vt.否认，否定；拒绝承认，拒绝接受
Smene has witnessed the accident, s dn't waste time denying that it's yur fault. 有人目击了这场事故，所以别浪费时间否认这是你的错了。
【即学即练】 单句语法填空/一句多译
①He denies __________（attempt） t murder his wife.
②There is n ________（deny） that prtecting the envirnment is f great imprtance.
③We dn't hpe t see children _______（deny） nthing in their families, fr children can be easily spiled.
④当我正在工作的时候,他拒绝给予我任何帮助。→He ___________________ while I was wrking.→He _____________________ while I was wrking.
denied me any help
denied any help t me
3. quantity n.数量；大量
①It's ften less expensive t buy gds in quantity, but yu'd better examine the quality befre buying them. 批量购物往往要便宜一些，但在购买之前你最好检查一下质量。
②With mre and mre frests cut dwn, large quantities f sil are being washed away.随着越来越多的森林被砍伐，大量的土壤被冲走了。
【即学即练】 单句语法填空/完成句子
①Large quantities f fish ______（be） caught in the sea last mnth.
②A large quantity f air cnditiners _______________（sell） since the summer came.
have been sld
③那么，适当数量的赞美是多少呢？专家说，表扬的质量比数量更重要。S what is the right amunt f praise?Experts say that the quality f praise ________________________________.
is mre imprtant than the quantity
语法冲关·语言规则全理清
①We leave Lndn n 15 July, and we will be taking a flight t Mrcc, in nrthern Africa.
②We will be travelling by camel with lcal guides, camping in tents and sleeping n the grund.
③I will be enjying myself with my family members this weekend.
④What will yu be ding this time the day after tmrrw?
⑤The cncert will start in a minute.
⑥He is ging t be a dentist when he grws up.
⑦The cncert is t be held this evening.
⑧The plane is abut t take ff.
【语法感悟】（1） 句__________为将来进行时，它的谓语构成形式为_____________；将来进行时主要表示在将来某一时间__________的动作。
（2）句⑤为__________时，它的谓语动词基本形式为________。
（3）一般将来时的表达形式还有：_______________，如句⑥；_________，如句⑦；_______________，如句⑧。
will be ding
be ging t d
be abut t d
助动词will/shall+be ding
1. 将来进行时表示将来某一时间正在进行的动作。Dn't phne me between 5 and 6.We'll be having dinner then. 五点至六点之间不要给我打电话，那时我们在吃饭。
2. 将来进行时表示按计划或安排要发生的动作。Mr Smith will be giving a talk abut artificial intelligence tmrrw. 史密斯先生明天将作一个关于人工智能的报告。
3. 将来进行时表示委婉语气。Will yu be having sme tea? 喝点茶吧？Will yu be needing anything else? 你还需要什么吗？
三、将来进行时与一般将来时的区别
1. 将来进行时表示将来正在进行的动作，强调动作的进行性。一般将来时并不表示动作的进行性。I will be studying in university at the age f 20.我20岁时会在大学求学。I am ging t Beijing next Sunday. 我下周日会去北京。
2. 两者均可表示将来，但用将来进行时语气更委婉。When will yu be paying back the mney?这钱你什么时候还呢？（委婉地商量）When will yu pay back the mney？你什么时候还钱？（似乎在直接讨债）
3. 有时一般将来时中的will表示意愿、决定、习惯和倾向性等意思，而用将来进行时则只是单纯地谈未来情况。Mary wn't pay this bill. 玛丽不肯付这笔钱。（表意愿）Mary wn't be paying this bill. 玛丽将来不付这笔钱。（单纯谈未来情况）