常用于考時態(tài)的十大句型：總結(jié)計(jì)劃匯報(bào)設(shè)計(jì)可編輯-資料下載頁
2025-10-18 09:18本頁面
【導(dǎo)讀】某人正在干某事這時……一個好主意浮現(xiàn)出來。用一般過去時，when翻譯成“這時”。to，這時下起雨來了。某人剛干完某事這時……剛躺下，這時電話鈴響了。完成時，如果主句是itwas…,從句時態(tài)隨之換成過去完成時。,在這個句型中，一。去完成時，這叫做主句和從句的時態(tài)“同退一步”。過3個月我們才能再見面。引導(dǎo)的從句用一般現(xiàn)在時。，那男孩就沖出去了。在英語中，如果兩個以上的動。作接連發(fā)生，這時都用一般過去時。知道會議什么時候開始。并非由此推論任何從句都不能使用將來時態(tài)。advocate提倡；imagine設(shè)想；fancy想象，喜歡；認(rèn)；keep/keepon繼續(xù)；can’thelp/resist禁不??；計(jì)劃；agree同意；afford負(fù)擔(dān)得起；attempt試圖；prepare準(zhǔn)備；require要求；care想要；prefer寧愿；
【正文】 語從句，在 It is（ high） time that… 句型中 ， that 之后謂語動詞的時態(tài)要用一般過去時或 “ should+動詞原形”， 屬于虛擬語氣。 It is said that a new factory will be built nearby my 。 這時主語從句。 it is+過去分詞 +that… ..。類似的句型還有： It is reported that… / It is known that… / It is thought that… / It is suggested that… / It is believed that… / It is hoped that…等 。 It looks as if it is going to 。 這時表語從句，類似的句型還有： It seems to sb that… / It (so)happened that… / It appears to sb that(=as if)… 等 。 It is necessary that we should master a foreign 。 這是主語從句，在“ It is+少數(shù)形容詞 +that sb should do …”這種句型中， it 同樣是形式主語， that 之后從句的謂語動詞是“ should+動詞原形”，其中 should 可以省略。這樣的形容詞有 necessary/important/unusual/strange/natural 等 。 情態(tài)動詞 +have done表推測 must have done 一定已經(jīng)做了。 They must have finished their work. Can have 。 Can’t have 。 They can have finished homework so quickly. They can’n have finished homework so quickly. They can have gone to bed since the door is ，他們可能已經(jīng)睡著了。 Could have 過。 Couldn’t have done. 不可能已經(jīng)做過。 You could have used my puter because I didn’t use it. you couldn’t have used my puter. Could have done 的虛擬語氣，表本來會做而未做。含責(zé)備，遺憾的語氣。 It was so fine yesterday,you could have e out for a walk. 昨天天氣好 ,你本來可以出來散散步的。 would have ，本來完全可以做，而沒有做。 I would have e to help you with the work yesterday but I was too ，但我太忙了。 should have ，本應(yīng)該做 。 should=ouqht to Shouldn’t have 。 He shouldn’t have swum in the lake 在湖里游泳。 needn’t have 。本來不必做，“多此一舉” You needn’t have watered the will /shall have ，不表示推測，也不表示虛擬。 may have 。 They may have finish homework. You may have read the book. might have ，或本來做但未做。 They might have won the 。 I might have passed the 。 needn’t have 。 You need not have gone 。 1 would rather have 。 I would rather not have gone 。 1 would like to have 。 I would like to have seen the 。 1 had better have 。 You’d better have gone 。 情態(tài)動詞 +be ： Must be They must be watching TV now Can’t be They can’t be watching TV now May/might be 做 They may be watching TV now
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