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Unit 2单词知识点详解人教版八年级英语上册
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这是一份Unit 2单词知识点详解人教版八年级英语上册，共6页。
unit2 How often do you exercise?What do you usually do on weekends?周末你通常做什么？on weekends“每逢周末”； on the weekend“在周末”，特指在某个周末You should have a rest on weekends.你应该在周末休息一下（表泛指）Jack will visit his uncle on the weekend.杰克这周末去看他叔叔（特指）on weekdays“在工作日”hardly ever几乎从不ever起强调作用，hardly表否定。该词组通常位于系动词、助动词或情态动词后，实义动词之前，常与can、could连用The singer is hardly ever on the stage. 这名歌手几乎不出现在舞台上The girl could hardly say a word at that time.那个女孩当时几乎说不出话来hard做形容词意为“困难的，坚硬的” ；做副词意为“努力地；猛烈地”It is raining hard outside. 外面正在下大雨I can’t finish the hard work myself. 我一个人完成不了这个艰难的工作How often do you watch TV？how often用来询问动作发生的频率，即动作多长时间发生一次，通常用once/twice+a+day/week/month/year sometimes、never等词回答其中once除“一次”含义之外还有“一旦，曾经”之意；at once意为“立刻，马上，同时” once again“再一次”I can’t do two things at once. 我不能同时做两件事Once again the train was late. 火车再一次晚点了He once lived in Shanghai. 他曾经住在上海Once he makes up his mind to do something，there is nothing can stop him.一旦他下定决心做某事，没有什么可以阻止他其中twice除有两次含义之外还有“两倍”之意The new plane flies at twice the speed of the sound. 这架新飞机以两倍音速飞行.跟Internet相关的短语：use the Internet.上网； surf the Internet“网上冲浪，上网”； on the Internet“在网上”You can find almost any information on the Internet. 在网上你可以找到几乎所有信息full的用法形容词，可意为“忙的，有很多活动的”此时full的反义词为free，“空闲的，有空的”Are you full these days？ 这些天你忙不？当full表示“满的，充满的”时，反义词为:empty“空的”，常用短语为be full of“充满.....” The glass is full of milk.杯子里装满了牛奶full还有“饱的”之意，反义词为hunger“饥饿”maybe 与may bemaybe是副词，意为“大概；或许；可能”，在句中做状语，常位于句首may be是情态动词+be结构，意为“可能是”，在句中做位于，放在主语之后Maybe you are right=You may be right.或许你是对的she says it’s good for my healthbe good for“对...有好处”反义词组：be bad for“对...有害”Watching too much TV is bad for your eyes.看太多电视对眼睛不好be good at擅长； I am good at math.我擅长数学be good to对....好； He is good to us. 他对我们很好（表对待）be good with与...相处的好，善于应对....Are you good with your classmates?你和同学相处的好吗？health健康，healthy健康的；常用短语有：be in good/poor/bad health“身体健康/不健康”keep in good health“保持健康”The old man is eighty but he is still in good health.这位老人八十岁了但身体仍然健康As teenagers，we should do some exercise to keep in good health.作为青少年我们应该做一些锻炼来保持健康Here are the results.下面是结果该局是以here开头的完全倒装句，主语是the results，放在了谓语动词are的后面Here comes the bus. 车来了result名词，意为“结构；后果”。常用短语the result（s） of“...的结果”We are waiting for the result of the match. 我们在等比赛的结果We found that only fifteen percent of our students exercise every day.我们发现只有15%的学生每天都锻炼。本句为主从复合句find后除可接宾语从句外，还可接复合宾语。分两种情况：A：find+宾语+名词We found him an honest child.我们发现他是一个诚实的孩子I found the bed very comfortable.我发现这张床很舒服B: find+宾语+动词ing形式The girl found her mother crying outside.这个女孩发现她的妈妈正在外面哭percent名词，“百分之.....”。数次加percent构成百分数，percent无复数形式 ，与名词连用时，后面需加of，此时，谓语动词的数要与of后面的名词的数保持一致Forty percent of the students in our class like playing basketball 我们班40%的学生喜欢打篮球Fifteen percent of the water in the lake is polluted 湖里15%的水被污染了Although many students like to watch sports...although连词，引导让步状语从句，相当于though“尽管，即使，虽然”两者通常可互换；但although或though都不能与but用于一个句子中Although my uncle is old, he looks very strong=My uncle is old,but he looks very strong 尽管我叔叔老了，他看起来很年轻but we think the best way to relax is through exercise.through介词“凭借，穿过”表示动作是在某一空间内部进行的，强调从内部穿过The train passed through the mountain quickly火车迅速通过山洞across是副词，“横过，穿过”，表示动作是在某一物体的表明进行的，强调从一边到另一边He passed through the hall. 他穿过大厅I can swim across the river. 我能游到河对岸It is healthy for the mind and the body.对身心都是健康的mind在此处是名词，意为“心智，头脑”；做动词时意为“介意，对某事烦恼”常用于否定句、疑问句或条件句中，后接名词、代词或动词ing形式做宾语--Do you mind if I open the window？如果我开窗户你介意吗？--I don’t mind it at all.一点也不介意（注：not at all一点也不）spend、cost、pay、take做“花费”时的不同I spent 1000RMB on the computer = The computer cost me 1000RMB=I paid 1000RMB for the computer 我花1000人民币买这台电脑It took me twenty minutes to finish my homework. 我花了20分钟做完了作业However，she has some bad habits，too副词however“然而，不过”当他表示“然而”时不能直接连接两个句子，必须用逗号隔开He lives a hard life.However，he feels happy. 他过着艰苦的生活，然而他觉得幸福Almost every day.几乎每天almost是副词，意为‘几乎，差不多’。位于实义动词之前，系动词、助动词或情态动词之后。且almost不能放在句末I almost forgot to tell you the news.我几乎忘了要告诉你这个消息There is almost nothing in the room.房子里几乎没有东西nonenone是不定代词，意为“没有一个；毫无”既可以指人也可以指物，常用“none of+名词”结构中；做主语时，谓语动词用单数或复数，常用于回答how many/much引导的特殊疑问句或含有“any+名词”的一般疑问句None of us enjoy staying up late.我们当中没有人喜欢熬夜no one指人，其后不能加of，做主语时谓语动词用单数，常用于回答who引导的特殊疑问句或含有anyone、anybody的一般疑问句对话1--How many students are there in the classroom？ --None.对话2--Is there any apples on the desk？ --None对话3--Who is in the next room？谁在隔壁？ --No one. 没有人单元语法：频度副词频度副词是表示次数、频率的词，包含：always、usually、often、sometimes、hardly ever、never等（频度由高到低排列）表示具体的次数时可用once、twice、three times（三次、三倍）表示She watches TV four times a week.她一周看4次电视频度副词的位置放在be动词之后She is sometimes busy.她有时很忙放在助动词或情态动词之后I can never get bored watching TV. 我永远不会对看电视感到无聊放在实义动词之前We often play together.我们经常一起玩耍有时频度副词可以放在句首，起强调作用Sometimes I go to school late.有时我上学会迟到对频度副词提问用how often--How often do you go to the movies？你多久一次影院？--Maybe once a month. 大概一个月一次频度副词常用于一般现在时，表示经常或反复的动作It often rains here in summer.这里夏天经常下雨I always go to school by bike.我总是骑车去上学always可以用于现在进行时和过去进行时，表示一种感叹、赞美、厌烦的情绪He is always thinking of others.他总是为别人考虑（表赞美）She is always borrowing money from me.她总是跟我借钱（表厌烦） 单词/过去式主语常用搭配spend/spent人sb+spend+时间/金钱+on sthsb+spend+时间/金钱+doing sthcost/cost物sth. cost sb+金钱pay/paid人“支付” sb. pay for sth.sb. pay +金钱+for sth.take/tookitIt takes sb.+时间+to do（it做形式主语）
unit2 How often do you exercise?What do you usually do on weekends?周末你通常做什么？on weekends“每逢周末”； on the weekend“在周末”，特指在某个周末You should have a rest on weekends.你应该在周末休息一下（表泛指）Jack will visit his uncle on the weekend.杰克这周末去看他叔叔（特指）on weekdays“在工作日”hardly ever几乎从不ever起强调作用，hardly表否定。该词组通常位于系动词、助动词或情态动词后，实义动词之前，常与can、could连用The singer is hardly ever on the stage. 这名歌手几乎不出现在舞台上The girl could hardly say a word at that time.那个女孩当时几乎说不出话来hard做形容词意为“困难的，坚硬的” ；做副词意为“努力地；猛烈地”It is raining hard outside. 外面正在下大雨I can’t finish the hard work myself. 我一个人完成不了这个艰难的工作How often do you watch TV？how often用来询问动作发生的频率，即动作多长时间发生一次，通常用once/twice+a+day/week/month/year sometimes、never等词回答其中once除“一次”含义之外还有“一旦，曾经”之意；at once意为“立刻，马上，同时” once again“再一次”I can’t do two things at once. 我不能同时做两件事Once again the train was late. 火车再一次晚点了He once lived in Shanghai. 他曾经住在上海Once he makes up his mind to do something，there is nothing can stop him.一旦他下定决心做某事，没有什么可以阻止他其中twice除有两次含义之外还有“两倍”之意The new plane flies at twice the speed of the sound. 这架新飞机以两倍音速飞行.跟Internet相关的短语：use the Internet.上网； surf the Internet“网上冲浪，上网”； on the Internet“在网上”You can find almost any information on the Internet. 在网上你可以找到几乎所有信息full的用法形容词，可意为“忙的，有很多活动的”此时full的反义词为free，“空闲的，有空的”Are you full these days？ 这些天你忙不？当full表示“满的，充满的”时，反义词为:empty“空的”，常用短语为be full of“充满.....” The glass is full of milk.杯子里装满了牛奶full还有“饱的”之意，反义词为hunger“饥饿”maybe 与may bemaybe是副词，意为“大概；或许；可能”，在句中做状语，常位于句首may be是情态动词+be结构，意为“可能是”，在句中做位于，放在主语之后Maybe you are right=You may be right.或许你是对的she says it’s good for my healthbe good for“对...有好处”反义词组：be bad for“对...有害”Watching too much TV is bad for your eyes.看太多电视对眼睛不好be good at擅长； I am good at math.我擅长数学be good to对....好； He is good to us. 他对我们很好（表对待）be good with与...相处的好，善于应对....Are you good with your classmates?你和同学相处的好吗？health健康，healthy健康的；常用短语有：be in good/poor/bad health“身体健康/不健康”keep in good health“保持健康”The old man is eighty but he is still in good health.这位老人八十岁了但身体仍然健康As teenagers，we should do some exercise to keep in good health.作为青少年我们应该做一些锻炼来保持健康Here are the results.下面是结果该局是以here开头的完全倒装句，主语是the results，放在了谓语动词are的后面Here comes the bus. 车来了result名词，意为“结构；后果”。常用短语the result（s） of“...的结果”We are waiting for the result of the match. 我们在等比赛的结果We found that only fifteen percent of our students exercise every day.我们发现只有15%的学生每天都锻炼。本句为主从复合句find后除可接宾语从句外，还可接复合宾语。分两种情况：A：find+宾语+名词We found him an honest child.我们发现他是一个诚实的孩子I found the bed very comfortable.我发现这张床很舒服B: find+宾语+动词ing形式The girl found her mother crying outside.这个女孩发现她的妈妈正在外面哭percent名词，“百分之.....”。数次加percent构成百分数，percent无复数形式 ，与名词连用时，后面需加of，此时，谓语动词的数要与of后面的名词的数保持一致Forty percent of the students in our class like playing basketball 我们班40%的学生喜欢打篮球Fifteen percent of the water in the lake is polluted 湖里15%的水被污染了Although many students like to watch sports...although连词，引导让步状语从句，相当于though“尽管，即使，虽然”两者通常可互换；但although或though都不能与but用于一个句子中Although my uncle is old, he looks very strong=My uncle is old,but he looks very strong 尽管我叔叔老了，他看起来很年轻but we think the best way to relax is through exercise.through介词“凭借，穿过”表示动作是在某一空间内部进行的，强调从内部穿过The train passed through the mountain quickly火车迅速通过山洞across是副词，“横过，穿过”，表示动作是在某一物体的表明进行的，强调从一边到另一边He passed through the hall. 他穿过大厅I can swim across the river. 我能游到河对岸It is healthy for the mind and the body.对身心都是健康的mind在此处是名词，意为“心智，头脑”；做动词时意为“介意，对某事烦恼”常用于否定句、疑问句或条件句中，后接名词、代词或动词ing形式做宾语--Do you mind if I open the window？如果我开窗户你介意吗？--I don’t mind it at all.一点也不介意（注：not at all一点也不）spend、cost、pay、take做“花费”时的不同I spent 1000RMB on the computer = The computer cost me 1000RMB=I paid 1000RMB for the computer 我花1000人民币买这台电脑It took me twenty minutes to finish my homework. 我花了20分钟做完了作业However，she has some bad habits，too副词however“然而，不过”当他表示“然而”时不能直接连接两个句子，必须用逗号隔开He lives a hard life.However，he feels happy. 他过着艰苦的生活，然而他觉得幸福Almost every day.几乎每天almost是副词，意为‘几乎，差不多’。位于实义动词之前，系动词、助动词或情态动词之后。且almost不能放在句末I almost forgot to tell you the news.我几乎忘了要告诉你这个消息There is almost nothing in the room.房子里几乎没有东西nonenone是不定代词，意为“没有一个；毫无”既可以指人也可以指物，常用“none of+名词”结构中；做主语时，谓语动词用单数或复数，常用于回答how many/much引导的特殊疑问句或含有“any+名词”的一般疑问句None of us enjoy staying up late.我们当中没有人喜欢熬夜no one指人，其后不能加of，做主语时谓语动词用单数，常用于回答who引导的特殊疑问句或含有anyone、anybody的一般疑问句对话1--How many students are there in the classroom？ --None.对话2--Is there any apples on the desk？ --None对话3--Who is in the next room？谁在隔壁？ --No one. 没有人单元语法：频度副词频度副词是表示次数、频率的词，包含：always、usually、often、sometimes、hardly ever、never等（频度由高到低排列）表示具体的次数时可用once、twice、three times（三次、三倍）表示She watches TV four times a week.她一周看4次电视频度副词的位置放在be动词之后She is sometimes busy.她有时很忙放在助动词或情态动词之后I can never get bored watching TV. 我永远不会对看电视感到无聊放在实义动词之前We often play together.我们经常一起玩耍有时频度副词可以放在句首，起强调作用Sometimes I go to school late.有时我上学会迟到对频度副词提问用how often--How often do you go to the movies？你多久一次影院？--Maybe once a month. 大概一个月一次频度副词常用于一般现在时，表示经常或反复的动作It often rains here in summer.这里夏天经常下雨I always go to school by bike.我总是骑车去上学always可以用于现在进行时和过去进行时，表示一种感叹、赞美、厌烦的情绪He is always thinking of others.他总是为别人考虑（表赞美）She is always borrowing money from me.她总是跟我借钱（表厌烦） 单词/过去式主语常用搭配spend/spent人sb+spend+时间/金钱+on sthsb+spend+时间/金钱+doing sthcost/cost物sth. cost sb+金钱pay/paid人“支付” sb. pay for sth.sb. pay +金钱+for sth.take/tookitIt takes sb.+时间+to do（it做形式主语）
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