2022年英语中考语法复习课件-情态动词

这是一份2022年英语中考语法复习课件-情态动词，共28页。PPT课件主要包含了can，could，疑问句表示委婉请求，you must，shall，should，will，Need Must，Can ，Could 等内容，欢迎下载使用。
基本用法情态动词+ 动词原形（无人称，数的变化）2. 否定句：情态动词+ nt3.一般疑问句：情态动词提到句首
can表示能力“能，会” I can swim 。
表示请求或允许，=mayCan /May I g hme nw?
表推测，“可能”（ 否，疑）
1.can / be able t表示能力,意思上没多大区别can只有现在和过去时be able t有更多的形式。(will be able t d) can d sth = is/am/are able t d sth culd d sth= was /were able t d sth.现在我会骑自行车。I can ride a bike nw.= I am able t ride a …她2岁会弹钢琴。She culd play …= She was able t play …
表示过去能力“能，会”
考查答语：1. Culd yu swim at the age f five? Yes, I culd. / N, I culdn’t. 2. Culd I smke here? Yes , yu can. N, yu can’t/ mustn’t.
Culd 表示过去的能力，用culd 的形式作答表请求，用can的形式作答
肯定句，表推测。“一定”
“必须,应该”（主观）
mustn't 表禁止。“不允许”。
have t “不得不”（客观要求） 有人称，数，时态变化
1. Yu must d everything as I d. 2. The light is still n, s he must be at hme.The light is ff, s he can’t be at hme.3. Dn’t smke in the ffice = Yu mustn’t smke in the make mre mney,they_____(must/have t) g t the city t lk fr jbs.
Must I return the bk by Friday?Yes , yu ______. N, yu ____________ .
needn’t / dn’t have t
may/might 1).二者都可以表请求，许可，但might语气更委婉 May/ Might I smke here?2）都可表示推测“可能，也许”但may比might可能性大。
3) maybe/ may be
_________ he is prud f his grades.He _______ prud f his grades.
The ld man may live alne.
_______ the ld man ______ alne.
—May / Might I use yur bike?—Yes, yu can / may. ----N, yu can’t /mustn’t
1. — Culd I brrw yur dictinary? — Yes, f curse yu _______. A. might B. will C. can D. shuld2. — May I watch TV after supper? — Yes, yu ________. A. may B. must C. might D. can
实意动词 (常用于肯定句) （句型见书P 105）
情态动词 （常用于否，疑问句）
名词 （句型见P105）
Nbdy need t be afraid f catching the disease.
Yu need g t bed early.These dishes need t be cleaned carefully.These dishes need cleaning carefully.She needn’t take a taxi.She desn’t need t take a taxi.
--Need I finish the wrk tday? --Yes, ________________.N, ________________. --Must I finish the wrk tday? --Yes, ________________. N, ________________.
/yu dn’t have t
_____ yu ______ (need) any help?The tree desn’t need ______ (water).Yu needn’t _____ (finish) that wrk tday.He ______ (need) sme mney.She desn’t need ______ (ask) us. ______ he ______ (need) t d it ?
表示请求或征求意见，用于人称I , we Shall we g shpping?
用于反意疑问句Let’s watch a film, shall we?
“应该”，表示劝告，建议， 否定：shuldn’t
shuld d sth= be suppsed/expected t d sth.
will用于疑问句中时，可以表示征求意见或提建议Will yu clean yur rm ?
否定式：wn’t will 的过去式为wuld
1. Remember t eat yur breakfast.
OK , I will.
2. Dn’t be absent frm class again.
Srry, I wn’t.
作答专练：给出肯定，否定回答
1.May I use yur phne?2.May I take the bk ut f the library?3.Culd I lk at yur new watch?4. Culd yu pass me smething t eat?5.Culd yu skate last year?6. Must we wash hair three times a week?7.Need I clean my rm every day?
1._____ I play cmputer games fr an hur?2. _____ we d hmewrk carefully? Yes, we yu pass me smething t eat?4. _____ yu play sccer?5. _____ yu swim when yu were 3?
Can/ Culd/ May
Can/ Culd/ Will
The CD player must be his. (变否定句）
The CD player can’t be his.
1. 对正在发生的事情推测： 情态动词+ be ding
2. 情态动词用于There be推测Eg. There must/ culd be smething visting the hmes in ur neighbrhd.
考查（三）：情态动词的被动语态 情态动词+ be dne
P106 答案:be allwed2. be made3. be parkedbe plantedwatering/ t be watered