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箱子太重,恐怕你搬不動(dòng)。謝謝您。2) 如在too前有否定詞,則整個(gè)句子用否定詞表達(dá)肯定, too 后那個(gè)詞表達(dá)一種委婉含義,意 為不太。It39。s never too late to mend.(諺語(yǔ))改過(guò)不嫌晚。3)當(dāng)too 前面有only, all, but時(shí),意思是:非?!?等于very。I39。m only too pleased to be able to help you. 我非常高興能幫助你。He was but too eager to get home. 他非常想回家。 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。 Tom kept quiet about the accident so as not to lose his job. 湯姆對(duì)事故保持沉默是為了不丟掉他的工作。 Go in quietly so as not to wake the baby. 輕點(diǎn)進(jìn)去,別驚醒了嬰兒。2)so kind as to 勞駕 Would you be so kind as to tell me the time? 勞駕,現(xiàn)在幾點(diǎn)了。 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。He seems to know this.I hope to see you again. = I hope that I39。ll see you 。2) 完成時(shí):表示的動(dòng)作發(fā)生在謂語(yǔ)動(dòng)詞表示的動(dòng)作之前。I39。m sorry to have given you so much trouble.He seems to have caught a cold.3) 進(jìn)行時(shí): 表示動(dòng)作正在進(jìn)行,與謂語(yǔ)動(dòng)詞表示的動(dòng)作同時(shí)發(fā)生。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。 3) 動(dòng)名詞與不定式語(yǔ)義不同的有11 組:1stop to do stop doing2 forget to do forget doing3remember to do remember doing4 regret to do regret doing5cease to do cease doing6 try to do try doing7go on to do go on doing8 afraid to do afraid doing 9interested to do interested doing10 mean to do mean doing11 begin/ start to do begin/ start doing 更多精品盡在大家網(wǎng)高考英語(yǔ)!