3. 不定式作目的状语时，常用so as to 或 in order to + 动词原形 否定形式：so as not to; in order not to
1.He closed the window in order to keep warm. 2.They came in quietly so as not to wake up
early in the morning .
4. 不定式还可以作结果状语或原因状语： 结果状语：
1. He was so late as to miss half of the lecture.
2. She is such a good student as to be
respected by all her classmates.
6. so … that 和 such (a, an)… that 也用来引 导结果状语从句。 so + adj./adv.+ that
such +(a, an) + n. + that 1. Some of them behave so badly that people
called the police. 2. It was such a dangerous drug that he
语法动词to 不定式作状语课件
1. 不定式作目的状语,表目的
1. He broke into the house to steal sth. 2. He uses a computer to send to talk to us. 4. I went to England to learn English. 5. I’m saving up to buy a computer . 6. We eat to live but we don’t live to eat.
2) They are such lovely children that you can’t help taking interest in them.
thinking of buying it. 2) This is so interesting a book that I have
read it dozens of times.
such + (adj.) + 名词复数 / 不可数名词+ that
1) The book is written in such simple English that beginners can understand it without much difficulty.
nearly died. 3. They played so happily that they forgot the
time. 4. It is such an interesting story that all of
them like it.
such a / an + ( adj.) + 名词单数 + that 1) This is such a beautiful chair that I am
thinking of buying it.
2) This is such an interesting book that I have read it dozens of times.
so adj. + a / an +名词单数 + that 1) This is so beautiful a chair that I am
3. The house is large enough to hold 2000
people.
原因状语：
1. She was surprised to see us in the street of London.
2. He laughed to hear the news.
5.不定式有时需要用被动形式、完成形式 或进行时。 1.She was sent to England so as to be educated. 2.She left home, never to be seen again. 3.He was shamed to be seen doing this kind of work. 4.I feel so pleased to have made friends with you. 5.He was happy to be coming home. 6.Are you glad to be going back to school.
2. 不定式表目的时，通常它的逻辑主语 就是句子的主语，但如果不是的话，就 要用for …的结构表示逻辑主语。
1) He opened the door for the children to come in.
2) We are now using the series “New Standard English ” for students to make great progress.
the children. 3.She studied very hard in order to catch up
with others. 4.Let’s hurry so as not to be late for school.
5.In order not to miss the early bus, he got up