人教版八下英语语法

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1、Unit 1 Whats the matter?一、 询问某人的健康问运及遭到麻烦的表达方法(1)询问某人患了何种疾病或遇到了何种麻烦时,常用以下几种结构来表达:Whats the matter (with sb)?(某人)怎么了?Whats wrong (with sb)?(某人)怎么了?Whats the trouble (with sb)?(某人)出什么事了?What happened (to sb)?(某人)发生了什么事?Are you OK?你没事吧?Is there anything wrong with sb.?某人有什么事吗?(2)要表达身体疼痛或不舒服,可用以下结构:某人+h

2、ave/has+病症The twins have colds双胞胎感冒了。某人+have/has+a+headache/toothache/stomachache/backache/earache.She had a stomachache last night她昨晚肚子痛。某人+have/has+a+sore+发病部位 He has a sore throat他喉咙痛。某人+hurt(s)+身体部位或反身代词 He hurt his leg.他的腿受伤了。某部位+hurt(s).My head hurts badly我头痛得厉害。某人+have/has+a pain+in ones+身体部位

3、, I have a pain in my chest我胸口痛。(There is)something wrong with ones+身体部位There is something wrong with my right eye我的右眼有毛病。其他表达方式She has a heart trouble她有心脏病。He got hit on the head他头部受到了撞击。She cut her finger她割破手指了。二 情态动词should的用法1Should为情态动词,意为“应该;应当”,否定式为shouldnt,其后接动词原形,无人称和数的变化。常用来表示征询意见、建议、劝告、要求或

4、义务等。 You should drink hot water with honey你应该喝加有蜂蜜的开水。 He should put his head back他应该把头后仰。We should try our best to help him.我们应当尽力去帮助他。 You shouldnt watch TV.你不应该看电视。2Should用于主语为第一人称的疑问句,表示征询意见。 Should I put some medicine on it?我应当给它敷上药吗? Should we tell her about it?我们应该告诉她这件事吗?【拓展】在英语中,表示建议的说法有很多,

5、而且都是中考考查的重点。主要结构有:Would you like (to do) sth?你想要愿意(做)某事吗?Would you like to play basketball with me?你想要和我一起打篮球吗?Shall I/we do sth ?我我们做好吗?Shall we go to the zoo tomorrow?明天我们去动物园,好吗?Why not do sth ?为什么不呢?Why not join us?为什么不加入到我们当中来呢?How/What about doing sth ?做某事怎么样? How about going swimming?去游泳怎么样?L

6、ets do sth让我们做吧。 Lets go home咱们回家吧。Youd better (not) do sth你最好(不)要做某事。Youd better not go there alone你最好不要一个人去那儿。Unit 2 Ill help clean up the city parks动词不定式A. 作主语为避免句子的头重脚轻,常用it作为形式主语,而真正的主语动词不定式后置。 常用句型: 1It +be+adj./n.+(for/of sb.) to do sth./It takes sb. some time to do sth.B. 作宾语动词want, decide,

7、hope, ask, agree, choose, learn, plan, need, teach, prepare常接动词不定式作宾语。C. 作(后置)定语常用于“have/hassth.to do”或“enough名to do”“Its time to do sth.”等结构中。D. 作宾语补足语tell, ask, want, invite, teach, like, call等可接带to的动词不定式作宾语补足语,构成tell/ask/want /call/invite sb. to do sth.结构。【注意】动词不定式作使役动词和感官动词的宾语补足语时应省去to:“一感(feel)

8、,二听(listen to, hear),三让(let, make, have,,四看(look at, see, watch, notice),半帮助(help)”。E. 动词不定式作状语主要用来修饰动词,表示目的,结果或原因。为了强调目的,有时可以把动词不定式放在句首,或在不定式前加in order (to) 或so as (to) “为了,目的是”。常用结构有too + adj./adv. + to do sth.等。F. 固定句式中动词不定式的用法 常见的形式有:had better (not) do sth./Would you like to do sth.?/Why not do

9、 sth.?/Would you please (not) do sth.?等。Unit 3 Could you please clean your roomCould you please.?句型(1)请求别人时通常用此句型,也可以说:Can you.please?情态动词could或can在这里均表示请求,在意思上无区别,但是用could在于其上显得更委婉、客气、诚恳。在日常生活中常使用could you/I.?若在句末加上please,则显得更礼貌。Could you help me find my book,please?你能帮我找到我的书吗?(2)对could you/I.?的问句作

10、出肯定回答,常用“sure/certainly/of course”等;如果作否定回答,常用“sorry或oh,please dont”。 一般不用no开头,用no显得语气生硬、不礼貌。(3)表示请求的句式:Would you like to do.? Would you mind doing.? Lets do. Shall I/we do.?Please do.(祈使句前加please)提示:could you please.与could I Please.两种问句,前者是请求别人帮忙的句式,后者是有礼貌地向别人请求允许的交际用语。试比较:Could you please help me?

11、请你帮我一下好吗?Could I please invite my friends to my birthday party,Mom? 妈妈, 我能邀请我的朋友参加我的生日聚会吗?Unit 4 Why dont you talk to your parents?1.提建议向别人发出邀请,请求,建议,或征求某人的意见的其他表达方式:How /what about doing sth.?(about是个介词,可跟名词或动名词)“怎么样?”Youd better (not) do something.“你最好(不)做某事”Would you like sth ?:“你想要某物Lets do sth?

12、What should I do ? ( should表示请求、征询对方意见)2.学会谈论问题和学会用why dont you提建议向别人发出邀请,请求,建议,或征求某人的意见的表达方式: Why dont you do something? =Why not do something? 你为什么不做某事呢? 来表示请求、征询对方意见until, so that ,although引导的状语从句:1)until:在带有till或until引导的时间状语从句里,如果主句用肯定式,其含义是“一直到时”,谓语动词只能用延续性动词。如果主句用否定式,其含义是“直到才”, “在以前不”, 谓语动词可用瞬

13、间动词。Dont get off until the bus stops.2)so that引导目的状语从句(为了,以便)例如:He studies hard so that he could work better in the future3)although的用法意思相当于though(尽管,虽然),引导让步状语从句。引导的从句不能与并列连词but,and, so等连用,但可以和yet, still等词连用。 例如:Although he was tired, he went on working.尽管他很累,但是他继续工作。Unit 5 What were you doing when

14、 the rainstorm came?过去进行时1. 基本概念:过去进行时表示在过去某一时刻或一段时间内正在进行的第2/6页动作。这一特定的过去时间除有上下文暗示以外, 一般用时间状语来表示。2. 结构 was / were ( not ) + 动词-ing3. 句式肯定式:I/He/She/It was working. We/You/They/ were working.否定式:I/He/She/It was not working.We/You/They/ were not working.疑问式和简略回答:Was I working? Yes, you were. No, you w

15、ere not. Were you working? Yes, I was. No, I was not. Was he/she/it working? Yes, he/she/it was. No, he/she/it was not. Were we/you/they working? Yes, you/we/they were. No, you/we/they were not. 注:1) was not常缩略为wasnt; were not常缩略为werent。2) 一般过去时与过去进行时用法的比较: 一般过去时表示在过去某个时间发生过的动作或存在的状态, 而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作。 例如:David wrote a letter to his friend last night. 大卫昨晚给他的朋友写了封信。(信写完了。)David was writing a letter to his friend last night. 大卫昨晚一直在给他的朋友写信。(信不一定写完。)4.过去进行时中的when和whilewhen, wh

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