小升初英語也是小升初考試中非常重要的一科。我們應(yīng)該如何復(fù)習(xí)才能夠在小升初英語考試中取得好成績(jī)呢?小升初英語學(xué)習(xí)必須靠著日積月累的知識(shí)，所以，從現(xiàn)在開始，我們就應(yīng)該為小升初英語考試儲(chǔ)備知識(shí)咯!
前面我們已經(jīng)總結(jié)了小升初英語中動(dòng)詞不定式的分類>>
現(xiàn)在來總結(jié)一些動(dòng)詞不定式的特殊句型!
不定式的特殊句型too…to…
1) too…to 太…以至于…
He is too excited to speak. 他太激動(dòng)了，說不出話來。
---- Can I help you ? 需要我?guī)兔?
---- Well, I'm afraid the box is too heavy for you to carry it, but thank you all the same. 不用了。這箱子太重，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"。
It's never too late to mend. (諺語) 改過不嫌晚。
3) 當(dāng)too 前面有only, all, but時(shí)，意思是：非常… 等于very。
I'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。
不定式的特殊句型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。
不定式的特殊句型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)和語態(tài)
|
時(shí)態(tài)語態(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 doing |
|
1) 現(xiàn)在時(shí)：一般現(xiàn)在時(shí)表示的動(dòng)詞，有時(shí)與謂語動(dòng)詞表示的動(dòng)作同時(shí)發(fā)生，有時(shí)發(fā)生在謂語動(dòng)詞的動(dòng)作之后。
He seems to know this。
I hope to see you again. = I hope that I'll see you again. 我希望再見到你。
2) 完成時(shí)：表示的動(dòng)作發(fā)生在謂語動(dòng)詞表示的動(dòng)作之前。
I'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。
