一）情態(tài)動(dòng)詞詳細(xì)用法講解
一,概說(shuō)：情態(tài)動(dòng)詞（ModalVerb)：情態(tài)動(dòng)詞用來(lái)表示說(shuō)話的人對(duì)所敘述的動(dòng)作或狀態(tài)的看法,如表示命令,允諾,請(qǐng)求,拒絕,愿望,義務(wù),必要,可能,敢于,需要等
情態(tài)動(dòng)詞主要有：can/could;may/might;must/ought; need; dare/dared; shall/should; will/would
1.情態(tài)動(dòng)詞不能單獨(dú)作謂語(yǔ),必須和實(shí)意動(dòng)詞或連系動(dòng)詞的原形（有時(shí)和這些動(dòng)詞完成和進(jìn)行式）一起構(gòu)成謂語(yǔ)
例如1：Wemust study hard .
我們應(yīng)該努力學(xué)習(xí)（must+不帶to 不定式study充當(dāng)謂語(yǔ)）
例如2：Hecan speak a little English .
他會(huì)說(shuō)一點(diǎn)兒英語(yǔ)（can +不帶to 不定式speak充當(dāng)謂語(yǔ)）
例如3：Hemust have gone home.
他準(zhǔn)是/一定是回家了（must+不帶to 不定式havegone 充當(dāng)謂語(yǔ)）
例如4：Hemust be waiting for us .
他一定是在等我們（must+不帶to 不定式bewaiting 充當(dāng)謂語(yǔ)）
2.情態(tài)動(dòng)詞沒(méi)有人稱和數(shù)的變化,第三人稱單數(shù)的出現(xiàn)時(shí),情態(tài)動(dòng)詞也不需要加s或者es
例句1.Ican write in English.
我會(huì)用英語(yǔ)寫(xiě)
例句2.Hecan write in English .
他會(huì)用英語(yǔ)寫(xiě)（不必說(shuō)：Hecans write in English )
3.否定句和疑問(wèn)句的構(gòu)成
A:否定式：主語(yǔ)+情態(tài)動(dòng)詞+not+動(dòng)詞原形
例如1.Youcan not speak French.你不會(huì)說(shuō)法語(yǔ)
例如3.Hemay not come today .他今天可能不會(huì)來(lái)
例如3.Youneed't look at me like that .你不必那樣瞧我
B:疑問(wèn)式：情態(tài)動(dòng)詞+主語(yǔ)+動(dòng)詞原形
例如1.MayI ask you a question about grammar
我可以問(wèn)你一個(gè)語(yǔ)法問(wèn)題嗎?
Would you liketo go with me
你想和我一起去嗎?
4.有些情態(tài)動(dòng)詞有過(guò)去式,有的過(guò)去式和它們的原形相同
A 有過(guò)去式的情態(tài)動(dòng)詞有：
shall---should ;will---would; can---could; may---might; need---needed; dare---dared
B 過(guò)去式不變的情態(tài)動(dòng)詞有：
must-must;ought---ought to
5.情態(tài)動(dòng)詞沒(méi)有動(dòng)詞不定式,必要時(shí)用別的詞語(yǔ)來(lái)表示
例如1：I'dlike to be able to dance.
我希望能跳舞（不可以說(shuō)...tocan dance)
例如2.Youare going to have to work harder .
到時(shí)候你必須更加努力工作（不能說(shuō)...tomust work harder)
（二）關(guān)于doing/to do的動(dòng)詞
2.加不定式
want,would like,like,love,be going to,go on,hate,begin,continue,start,ask,tell,afford,agree,aim,appear,arrange,believe,care,choose,claim,come,consent,dare,decide,demand,desire,determine,decline,expect,elect,fail,offer,happen,seem,refuse,wait,pretend,promise,wish,hope,mean,long,learn,seek,intend,tend,manage,prepare,remember,forget,plan
3.可以用于”動(dòng)詞＋賓語(yǔ)＋不定式”的詞．(即:v.+sb/sth+to do)
advise,allow,appoint,believe,cause,compel,consider,drive,get,guess,invite,judge,know,report,select,state,trust,intend,say,teach,want,beg,warn,expect,intend,pretend,understand,order,send,remind,judge,like,find,force,forbid,encourage
4.加ing
start/begin/keep/feel like /practice/like/allowed/pay attention to /be used to/consider +doing sth.(所有介詞后面都加doing sth.)
1.enjoy doing 2.risk doing
3.avoid doing 4.keep doing
5.practise doing
6.suggest doing / sb.'s doing / that sb.(should) do
7.miss doing 8.finish doing
9.allow / permit doing 10.delay doing
11.resist doing 12.consider doing
13.mind doing / sb.'s doing / if sb.do
14.imagine doing 15.keep on doing
16.go on doing 17.insist on doing
18.be busy doing 19.set about doing
20.give up doing 21.feel like doing
22.can't help doing
23.spend/save/waste/kill/time (in) doing
24.It is no use/good doing
25.prefer doing to doing
26.look forward to doing
27.succeed in doing
28.be afraid of doing
29.have trouble/difficulty (in) doing
30 There is trouble / difficulty (in) doing
31.prevent / keep /stop sb.from doing
32.thank you for doing
33.praise sb.for doing
34.punish sb.for doing
35.excuse sb.for doing / sb.'s doing
36.apologize for doing
37.be (well) worth doing / be worthy of being done / be worthy to be done
38.want / need / requir