【正文】
He seems to be eating something.4) 完成進(jìn)行時(shí): She is known to have been wreaking on the problem for many years. 動(dòng)名詞與不定式1) 動(dòng)名詞與不定式的區(qū)別:動(dòng)名詞表達(dá)的是: 狀態(tài),性質(zhì),心境,抽象,經(jīng)常性,已發(fā)生的不定式表達(dá)的是: 目的,結(jié)果,原因,具體,一次性,將發(fā)生的2) 接不定式或動(dòng)名詞,意義相同。I39。ll see you 。 不定式特殊句型Why not Why not +動(dòng)詞原形表達(dá)向某人提出建議,翻譯為:為什么不……? 干嗎不……?例如:Why not take a holiday?干嗎不去度假? 不定式的時(shí)態(tài)和語(yǔ)態(tài) 時(shí)態(tài)\語(yǔ)態(tài)主動(dòng) 被動(dòng)一般式to do to be done進(jìn)行式to be doing完成式to have done to have been done完成進(jìn)行式to have been doing1) 現(xiàn)在時(shí):一般現(xiàn)在時(shí)表示的動(dòng)詞,有時(shí)與謂語(yǔ)動(dòng)詞表示的動(dòng)作同時(shí)發(fā)生,有時(shí)發(fā)生在謂語(yǔ)動(dòng)詞的動(dòng)作之后。 Go in quietly so as not to wake the baby. 輕點(diǎn)進(jìn)去,別驚醒了嬰兒。 不定式特殊句型so as to 1) 表示目的;它的否定式是so as not to do。m only too pleased to be able to help you. 我非常高興能幫助你。3)當(dāng)too 前面有only, all, but時(shí),意思是:非?!?等于very。It39。謝謝您。m afraid the box is too heavy for you to carry it, but thank you all the 。 不定式特殊句型too…to… 1)too…to太…以至于…He is too excited to speak. 他太激動(dòng)了,說(shuō)不出話來(lái)。5) The patient was warned ___ oily food after the operation.A. to eat noB. eating notC. not to eatD. not eating答案:C??梢灾挥胻o這個(gè)詞,而不必重復(fù)整個(gè)不定式詞組。warn sb to do sth. 的否定形式為warn sb not to do sth. 此處用的是否定詞never.4) The boy wanted to ride his bicycle in the street,but his mother told him ____.A. not toB. not to doC. not do itD. do not to 答案:A。其否定形式為pretend not to do sth.。 tell sb to do sth 的否定形式為tell sb not to do sth.2)She pretended ___ me when I passed by. to seeB. not seeingC. to not see not seen答案:A。 動(dòng)詞不定式的否定式 Tell him not to shut the window…She pretended not to see me when I passed by. 我走過(guò)的時(shí)候,她假裝沒看見。2) Paul doesn39。8) 由and, or和than連接的兩個(gè)不定式,第二個(gè)to 可以省去:9) 通常在discover, im