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課程與PC端同步更新,充分利用零碎時(shí)間。做題
海量精選試題,想練就練,瞬間提分。答疑
海量精選試題,想練就練,瞬間提分。直播
名師大咖面對(duì)面,有問(wèn)有大收獲多。MBA英語(yǔ)語(yǔ)法輔導(dǎo):動(dòng)詞不定式
動(dòng)詞不定式可以作以上各種成分,但它畢竟是動(dòng)詞,所以有動(dòng)詞的屬性。
動(dòng)詞不定式及其短語(yǔ)還可以有自己的賓語(yǔ)、狀語(yǔ),雖然動(dòng)詞不定式在語(yǔ)法上沒(méi)有表面上的直接主語(yǔ),但它表達(dá)的意義是動(dòng)作,這一動(dòng)作一定由使動(dòng)者發(fā)出。這一使動(dòng)者我們稱之為 邏輯主語(yǔ),其形式如下:
(1)語(yǔ)態(tài)
如果動(dòng)詞不定式的邏輯主語(yǔ)是這個(gè)不定式所表示的動(dòng)作的承受者,不定式一般要用被動(dòng)語(yǔ)態(tài)形式。如:
It's a great honour to be invited to Mary's birthday party.(不定式作主語(yǔ)是被動(dòng)語(yǔ)態(tài)to be invited是被邀請(qǐng))
It was impossible for lost time to be made up.(不定式作主語(yǔ))
I wish to be sent to work in the country.(不定式作賓語(yǔ))
Can you tell me which is the car to be repaired?(不定式作定語(yǔ))
He went to the hospital to be examined.(不定式作狀語(yǔ))
在There be結(jié)構(gòu)中,修飾主語(yǔ)的不定式可用被動(dòng),也可用主動(dòng)。如:There are still many things to take care of (to be taken care of).但有時(shí)兩種形式表達(dá)的意思不同,如:There is nothing to do now.( We have nothing to do now.) There is nothing to be done now.(We can do nothing now.)
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