在英語(yǔ)語(yǔ)法中，動(dòng)詞不定式是指不被限定的一種動(dòng)詞形式，即一種不帶詞形變化從而不指示人稱、數(shù)量和時(shí)態(tài)的形式。而不定式的特殊句型有哪些呢？它的結(jié)構(gòu)有哪些呢？今天小編想跟大家說(shuō)說(shuō)：不定式的特殊句型so as to：

不定式的特殊句型so as to，它的用法有哪些？

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。

Colcord agreed to do this so as not to disappoint the crowd.

為了不讓觀眾失望，克爾科特同意了

Do not smoke in bed, so as not to cause a fire.

不可在床上吸煙，以免引起火災(zāi)。

He kept silent about the incident so as not to lose his job.

他為了不被開除，在這件事上保持了沉默。

Eventually he started this book so as not to drown.

最終，為了不“溺亡”，他開始寫這本書。?

But this historical data should be kept separate from the current problem determination artifacts, so as not to interfere with them.

但是應(yīng)該將這種歷史數(shù)據(jù)與當(dāng)前問題確定構(gòu)件分開進(jìn)行保存，這樣它們就不會(huì)互相干擾。?

2)　so kind as to ---勞駕

you be so kind as to tell me the time?

?勞駕，現(xiàn)在幾點(diǎn)了。

Would you be so kind as to help me with the box?

請(qǐng)幫我拿一下箱子好嗎？

All right, but would you be so kind as to make up your mind soon? We're very busy just now as you can see, sir.

好的，但是勞駕你快點(diǎn)做決定嗎？正如你看到的，我們現(xiàn)在很忙，先生。

Would you be so kind as to turn down the radio?

勞駕你把收音機(jī)調(diào)小聲一點(diǎn)好嗎？

Would you be so kind as to open this window for me? Its stuffy.

你能幫我將窗戶打開嗎？這里快令人窒息了。

Would you be so kind as to do me a favour?

請(qǐng)你幫我一下好嗎？

好了，以上就是對(duì)不定式的特殊句型so as to的介紹，原則上來(lái)說(shuō)，不定時(shí)的一般式（to do）比較常見，易考點(diǎn)也比較多，但我們還是應(yīng)該了解不定式的這一形式，做到系統(tǒng)化地學(xué)習(xí)。