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1、语法篇之-现在完成时1. 什么是现在完成时？ 表示过去发生的动作对现在造成的影响或结果。 表示说话之前发生的动作，可能发生过一次，也可能发生过多次。 2.与一般过去时的区别？ 一般过去时是过去某一特定时间你做的事情，你就是在描述你过去那时侯在干吗 现在完成时是从现在为起点，除了你可以从since,for中看出这是完成时以外，这个时态代表的是一个时间段中，她已经做了什么。另外这个时态强调的是对现在的影响，或者可以影响到现在的行为。 3. 现在完成时的构成 助动词Have (has) +动词的过去分词 4.过去式和过去分词的区别？ 一、形式上的区别 1、规则动词的过去式和过去分词没有区别，基本都是
2、在动词后面加上ed。 2、不规则动词的过去式和过去分词有些不一样，但也有不少是一样的。比如read，它的过去式和过去分词和动词原形是一样的，只是读音有所区别。 二、意义上的区别 动词的过去式和过去分词实际上都是用来描述一个“已经发生的行为”，区别只是着重点不同，过去式着重点在“行为本身”，相当于汉语的“了”。过去分词着重点在“行为的结果或影响”，也就是说动词的过去分词主要是用于说明相当于汉语“已”或“被”这样的概念。 4.现在分词的构成？ 规则动词的过去式和过去分词是一样，不规则动词的过去式、过去分词如下表不规则动词过去式、过去分词表(1)AAA型（动词原形、过去式、过去分词同形）cost（花
3、费）cost costcut（割）cutcut hit（打）hithit hurt（伤害）hurthurt let（让）letlet put（放）putputread（读）readread(2) AAB型（动词原形与过去式同形）beat（跳动）beatbeaten(3) ABA型（动词原形与过去分词同形）become（变成）becamebecomecome（来） camecome run（跑）ranrun(4) ABB型（过去式与过去分词同形）dig（挖）dugdugget（得到）gotgot hang（吊死）hangedhangedhang（悬挂）hunghung hold（抓住）heldh
4、eldshine（照耀）shoneshonesit（坐）satsatwin（赢）wonwonmeet（遇见）metmetkeep（保持）keptkept sleep（睡） sleptsleptsweep（扫）sweptsweptfeel（感觉）feltfeltsmell（闻）smeltsmelt leave（离开）leftleftbuild（建设）builtbuilt lend（借出）lentlentsend （传送）sentsentspend（花费）spentspentlose（丢失）lostlost burn（燃烧）burntburntlearn（学习）learntlearnt sell（
5、卖）soldsoldtell（告诉）toldtoldmean（意思）meantmeantcatch（抓住）caughtcaughtteach（教）taught taught bring（带来）broughtbroughtfight （战斗）fought foughtbuy（买） bought boughtthink（想） thoughtthoughthear （听见）heard heardsay（说）said saidfind（找到）found foundhave/has（有）hadhad make（制造）mademadestand（站）stood stoodunderstand（明白）und
6、erstood understood 现在完成时练习题一、用since和for填空1._two years 2. _two years ago3. _last month 4. _ 19995._yesterday 6._ 4 oclock7. _ 4 hours 8._an hour ago9. _we were children 10._ lunch time11. _she left here 12. He has lived in Nanjing_the year before last.13. Ive known him _ we were children.14. Our teac
7、her has studied Japanese _ three years.15. She has been away from the city _ about ten years.16. Its about ten years _ she left the city.二、对划线部分提问1) I have been there for two days._ _ _ you _ _ ?2) My father has lived here since 2000._ _ _ your father _ _?3) He left here yesterday._ _ he _ _?4) They
8、 bought a book two hours ago._ _ they _ a book三、用have(has) been 或have(has) gone 填空。A: Where _ Li Fei _?B: He _ to Hainan Island.A: How long _ he _ there?B: He _ there for three days.A: When will he come back , do you know?B: Im afraid he wont come back recently.A: Could you tell me the way to Hainan
9、 Island?B: Sorry, I _ never _ there.A: How many times _ Li Fei _ to that place?B: He _ there only once.三 用never, ever, already, just, yet, for, since填空1. I have _ seen him before, so I have no idea about him.2. Jack has _ finished his homework.3. Mr. Wang has taught in this school _ ten years.4. “Have you _ seen the film?” “No, I have _ seen it.”5. “Has the bus left _?” “Yes, it has _ left.”七. 用适当的时态填空：1.Shes _ (live) here ever since she was ten.2.Both of them _ (be) in Hongkong for ten days.3.Both
