外研版初中英语七年级下册课件:Module9 Unit3 Language in use.ppt
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1、外研 七年级下册,Module 9,Unit 3 Language in use,语法讲解建议采用归纳法,如尽可能多的呈现一些相关例句,或可让学生从已学课文中找相应例句,引导学生试着从所观察到的语言现象中总结出语法规律。,To learn the past tense of irregular verbs,Objective:,【本单元例句】,He left school and began work at the age of 12. But he took the name Mark Twain and became very famous in the 1860s. He wrote 3
2、8 plays. In 1599 the company built the Globe Theatre.,经过前面的学习,我们知道大多数动词的过去式的变化规律为:“动词原型+ed”但是在英语中不符合上述变化规律的动词也很多,它们有其特殊的变化形式。这种动词称为不规则动词。这种动词的变化没有规律,而要靠同学们单独记忆。下面将常见的不规则动词的过去式总结如下:,要牢记喔!,一般过去式 (III),Grammar,1. 不变: cost-cost; hurt-hurt; put-put let-let; read-read,2. 只变一个元音字母: come-came; become-became
3、; begin-began drink-drank; give-gave; ring-rang sing-sang; swim-swam; sit-sat; win-won throw-threw; know-knew; draw-drew drive-drove; ride-rode; write-wrote get-got; forget-forgot; run-ran; fall-fell,3只变一个辅音字母: build-built; has / have-had lend-lent; lose-lost make-made; send-sent spend-spent 增加一个辅音字
4、母: hear-heard; burn-burnt; learn-learnt; mean-meant,4 改变两个元音字母: break-broke; speak-spoke; choose-chose; feed-fed; meet-met; feel-felt; sweep-swept; wear-wore; lie-lay; say-said; see-saw,5过去式含有ought / aught: buy-bought; bring-brought fight-fought; think-thought catch-caught; teach-taught 6情态动词: can-c
5、ould; shall-should; will-would; may-might,7原形中有-ell: sell-sold; tell-told; smell-smelt 8其他: be-was/were; do-did; find-found fly-flew; go-went; leave-left stand-stood; understand-understood,下面是一些常见的不规则动词的过去式。 be was/were leave left buy bought meet met come came read read do did see saw get got spend
6、spent have had swim swam write wrote take took,行为动词的一般过去时的一般疑问句 是借助于did来完成的,其回答也是如 此。例如: Did you watch television last night? 你昨晚看电视了吗? Yes, I did. 是的,我看了。 No, I didnt. 不,我没看。,行为动词的一般过去时变一般疑问句 时,有三个要点: 一、 句首加did,动词还原。 二、 将句中的第一人称变为第二人称。 三、 some变 any;already 变yet。,巧记动词过去时态,动词一般过去时,表示过去发生的事; be用was或用w
7、ere, have,has变had; 谓语动词过去式,过去时间坐标志; 一般动词加-ed, 若是特殊得硬记。 否定句很简单,主语之后didnt添; 疑问句也不难,did放在主语前; 如果谓语之前有did,谓语动词需还原; 动词若是was,were,否定就把not添。,【总结】,We arrived in Shanghai last month.,According to the example, rewrite the sentences.,We didnt arrive in Shanghai last month. Did you arrive in Shanghai last month
8、? Yes, we did. / No, we didnt.,He didnt return home from Beijing last Wednesday. Did he return home from Beijing last Wednesday? Yes, he did. / No, he didnt.,He returned home from Beijing last Wednesday.,Her uncle didnt move to London at the age of thirty. Did her uncle move to London at the age of
9、thirty? Yes, he did. / No, he didnt.,2. Her uncle moved to London at the age of thirty.,Complete the sentences about Bettys Life. 1 Betty _ (be born) in Quincy. 2 She_ (go) to John Adams Primary School. 3 She _ (be) happy in Quincy. 4 She_ (have) lots of friends there. 5 She _ (come) to China in 200
10、8.,was born,went,was,has,comes,2. Complete the sentences with the correct form of the words.,When my father was young, he (1) _ _ (not have) much money. He (2) _ (begin) work at eight oclock and (3) _ (leave) at five. When he (4) _ (get) home, he always (5)_ (read) a book. In the evening he (6)_(go)
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