英语语法专项：it的用法

the old man started his journey.
It was a __________________________ dark and stormy night when
_____________________________ the old man started his journey.
. … + verb + it + adj./ n. + infinite/ clause/ -ing form
real object formal object
find, think, feel, consider, make, etc.
练一练 1. We feel ______ our duty to make our country a better place. 2. The two girls are so alike that strangers find difficult to tell one from the other. 3.The doctor thought ______ would be good for you to have a holiday. 4. I know there is not easy to be a teacher. 5. This is not surprising that the Silver Ghost was regarded as “the best car in the world”.
It never rains but it pours.
不鸣则已, 鸣则一鸣惊人。
1. It was very cold yesterday. weather 2. It is about 8:30 now. time 3. It is about 5km from my distance home to the park. 4. It’s quite noisy here. circumstance 5. I hope that it will be fine weather tomorrow.
9. You could suffer from bad health if you
1. It’s difficult to give up smoking. 2. Is it certain that they will win? 3. It is no good learning without practice. 4. It is necessary for him to study. 5. It’s a pity that our teacher can’t take part in our party. 6. It is suggested that we (should) arrive there in 2 hours.
they look attractive when they smoke.Βιβλιοθήκη Baidu_________________________________
3. Most people believe smoking causes cancer. It is believed _________________________ that smoking causes cancer. 4. Don’t try to quit on a stressful day. trying to quit on a stressful day. It is no use ___________________________
7. My father has quit smoking at last. that my father has quit It is wonderful _____________________ smoking at last. ____________________ 8. The night was dark and stormy when
It takes all sorts.
世上的人形形色 色，无奇不有。
1. It is amazing that at my age I am still fit. 2. It is easier to fall than to rise. 3. It is no good crying over spilt milk. 4. I think it best that you should do more exercise. 5. He found it difficult to accustom himself to getting up early.
1. Giving up smoking is difficult to do.
It is __________________________ difficult to give up smoking. 2. Some young people think they look
attractive when they smoke. that some young people think It seems _________________________
5. China produces one third of the world’s cigarettes. It is astonishing _____________________ that China produces _______________________________ onethird of the world’s cigarettes. 6. You are not allowed to advertise cigarettes in this country. It is illegal __________________________ to advertise cigarettes in this ________ country.