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詞要求是延續(xù)性動(dòng)詞。 ③表示一種“經(jīng)歷或體驗(yàn)”,即可以表示經(jīng)歷過也可以是從來都沒有經(jīng)歷過。 ?被動(dòng)語(yǔ)態(tài) 初中階段我們學(xué)習(xí)了七種被動(dòng)結(jié)構(gòu),歸納如下: ( 1)一般現(xiàn)在時(shí)是被動(dòng)語(yǔ)態(tài): am / is / are + 過去分詞 ( 2)現(xiàn)在完成時(shí)的被動(dòng)式: have / has + been + 過去分詞 ( 3)現(xiàn)在進(jìn)行時(shí)的被動(dòng)式: am/ is/ are + being + 過去分詞 ( 4)一般過去時(shí)的被動(dòng)式: was / were + 過去分詞 ( 5)過去進(jìn)行時(shí)的被動(dòng)式: was / were + being + 過去分詞 ( 6)過去完成時(shí)的被動(dòng)式: had + been + 過去分詞 ( 7)一般將來時(shí)的被動(dòng)式: will / be going to be+ 過去分詞 ( 8)含有情態(tài)動(dòng)詞的被動(dòng)式: 情態(tài)動(dòng)詞 +be +動(dòng)詞的過去分詞。 ?情態(tài)動(dòng)詞 情態(tài)動(dòng)詞表示說話人對(duì)某一動(dòng)作或狀態(tài)的態(tài)度,如認(rèn)為“ 可能”、“應(yīng)當(dāng)”、“必要” 等。情態(tài)動(dòng)詞本身有一定的意義,但不能單獨(dú)作謂語(yǔ),也沒有人稱和數(shù)的變化。后面一般跟動(dòng)詞原形。 ?used to 結(jié)構(gòu) used to意為“過去常常做某事”,指的是過去的習(xí)慣性動(dòng)作,目的在于與現(xiàn)在形成對(duì)照。 used to是個(gè)情態(tài)動(dòng)詞,其中的 to是不定式符號(hào),后面跟動(dòng)詞原形。在美式英語(yǔ)中。它的疑問式是: Did +主語(yǔ)+ use to do sth.?否定式是:主語(yǔ)+ didn39。t use..。在英式英語(yǔ)中,它的疑問式應(yīng)當(dāng)是: Used +主語(yǔ)+ to sth.?否定式應(yīng)當(dāng)是 used not to或 use( d) n39。t to。 ?He used to stay up late. 他過去常熬到很晚。 ?used to 結(jié)構(gòu) ?used to意為 ―過去常常做某事 ‖,指的是過去的習(xí)慣性動(dòng)作,目的在于與現(xiàn)在形成對(duì)照。 used to是個(gè)情態(tài)動(dòng)詞,其中的 to是不定式符號(hào),后面跟動(dòng)詞原形。 在美式英語(yǔ)中 : ?它的疑問式是: Did +主語(yǔ)+ use to do sth. ?否定式是:主語(yǔ)+ didn39。t use. 在英式英語(yǔ)中 : ? 它的疑問式應(yīng)當(dāng)是: Used +主語(yǔ)+ to sth. ?否定式應(yīng)當(dāng)是 used not to. I. 用所給詞的適當(dāng)形式填空。 1. The old man used _____ (be) a teacher. 2. We should _____ (clean) the room every day. 3. Look! Tom _________ (sleep) in his room. 4. Lots of trees __________ (plant) on the hill every year. 5. He _________ (live) here for 20 years. to be clean is sleeping are planted has lived 1. The girl ___________(dance) in the classroom. 2. It39。s 5 o39。clock now. Mike _________ (have)dinner. 3. ____ you ever ____ (be) to the US? Yes, twice. 4. May I speak to John? Sorry, he __________(go) to New York. he will be back in two days. 5. Did you go to Jack39。s birthday? No,I ______________(not invite). 5. Do you know well?