Unit 3 突破·语法大冲关 同步教材讲解（2020新外研版）英语必修第二册.doc

1、 不定式作定语和结果状语 一、不定式作定语 观察例句 Do you have anything to say for yourself? The Browns have a comfortable house to live in. Lets first find a room to put these things in. Have you got anything to be sent? They are always the first to bear hardships，but the last to enjoy comforts. Volunteering gives you a c

2、hance to change lives，including your own. 归纳用法 (1)不定式作定语时与所修饰的词之间往往存在动宾关系，如果不定式中的 动词是不及物动词，或者不定式所修饰的名词或代词是不定式动作的地点、工具 等，不定式后面需有相应的介词。 (2)当作定语的不定式所修饰的名词或代词是不定式动作的承受者，且句子 的主语是执行者时需用主动语态，若句子的主语不是执行者需用被动语态。 (3)若名词前有序数词、最高级或 no，all，any，only 等修饰，后面一般用不 定式作定语。 (4)被修饰的是抽象名词时用不定式作定语， 常见的抽象名词： ability， chance

3、， idea， fact， excuse， promise， answer， reply， attempt， belief， way， reason， moment， time 等。 名师点津 不定式作定语时，相当于定语从句。 即学即练 1 完成句子 我不能和你去，因为我有个会议要参加。 I cant go with you，because I have a meeting to attend 他总是第一个到校。 He is always the first to get to the school 这将是一个交流经验的好机会。 This will be a good opportunity

4、to change experience 我有一支写字的钢笔。 I have a pen to write with 今晚我没有时间看电影。 I have no time to see a film tonight. 二、不定式作结果状语 观察例句 I hurried there，only to find that all of them had gone. The boy is old enough to dress himself. Im too busy enjoying my life now to worry about the future! He was so kind as t

5、o help the old man get on the bus. We are not such fools as to believe you. 归纳用法 (1)不定式作结果状语时常与 only 连用。 (2)在 enough to do sth.，too to do sth.，so/such as to do sth.结构中， to do 表示结果。 名师点津 (1)不定式作结果状语时，相当于结果状语从句。 (2)不定式常表示出乎意料的结果，而 v.ing 作结果状语表示自然而然的结 果。 即学即练 2 完成句子 他到了售票处，结果被告知票已经卖光了。 He went to the b

6、ox office，only to be told that the tickets had been sold out. 他到了可以上学的年龄。 He is old enough to go to shool 他年龄太小，还不懂得生活的艰辛。 He is still too young to know the hardship of life. 他很富裕，足以买得起这样的大房子。 He is wealthy enough to afford such a big house. 他气得说不出话来。 He was so angry as to be unable to speak. .单句语法填

7、空 1I have a lot of readings to complete(complete) before the end of this term. 2Im going to town.Do you have any letters to be posted(post)? 3They had no chance to go(go) to school in those years. 4She had to shout to make(make)herself heard above the noise of the traffic. 5They realized that it was

8、 too late to catch(catch) the last train. 6The dam was not strong enough to hold(hold) back the flood. 7He was so angry as to leave(leave) the room without a word. 8They reached the company out of breath，only to be told(tell) they were fired. .用括号内单词的适当形式完成短文 Xiaohua is a girl 1.living(live) in a re

9、mote mountain village.Even since she was old enough 2.to go(go) to school，she has always had a dream 3.to step(step) out of the mountain and have a look at the outside world.She worked very hard and behaved very well at school.She was always the first 4.to come(come) to school and always ready 5.to

10、help(help) others. Unexpectedly for her，her chance 6.to look(look) at the outside world came last week ， when she 7.was chosen(choose) to go to Beijing for a summer camp.8.Hearing(hear) the good news，she was too surprised 9.to believe(believe) her ears.That night，she was so excited as not 10.to fall(fall)asleep.