高中二年級英語選修6第三課時課件.ppt

1、1. It is never too old to learn. 2. It rains cats and dogs. 3. It never rains but it pours. 4. It is a poor mouse that has only one hole.,The subject position,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.,“It” can be used

2、in the subject position to stand for _, _ or _.,a clause,an infinitive,-ing form,The object position,4. I think it best that you should do more exercise. 5. He found it difficult to accustom himself to getting up early.,a clause,an infinitive,It is amazing that at my age I am still fit. 2. It is eas

3、ier 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.,“It” can be used in the subject or object position to stand for _, _ or _.,a clause,an infinitive,-ing form,Its di

4、fficult to give up smoking. Is it certain that they will win? It is good learning without practice. It is fun for him to study. Its a pity that our teacher cant take part in our party.6. It is suggested that we (should) arrive there in 2 hours.,formal subject,It + is + adj./ n./ p.p. + infinite/ cla

5、use/ -ing form,real subject,clear, easy, true, difficult, certain, etc.,fun, a pity, a shame, no use / good, etc.,said, believed, decided, hoped, etc.,Its difficult to give up smoking. It is fun for him to study.3. It is suggested that we (should) arrive there in 2 hours.,遵循英語語言的尾重原則, 避免句子頭重腳輕。,form

6、al object,2. + verb + it + adj./ n. + infinite/ clause/ -ing form,real object,find, think, feel, believe, consider, make, etc.,2. Some young people think they look attractive when they smoke. It seems _ _,Giving up smoking is difficult to do. It is _,that some young people think they look attractive

7、 when they smoke.,difficult to give up smoking.,3. Most people believe smoking causes cancer. It is believed _ 4. Dont try to quit on a stressful day. It is no use _,trying to quit on a stressful day.,that smoking causes cancer.,5. China produces one third of the worlds cigarettes. It is astonishing

8、 _ _ 6. You are not allowed to advertise cigarettes in this country. It is illegal _ _,that China produces one-third of the worlds cigarettes.,to advertise cigarettes in this country.,8. It was a dark and stormy night when the old man started his journey.,In this sentence, “it” is used to talk about

9、 time.,“It” can be used in another way?,In this sentence, what does “it” refer to?,“It” can be used to talk about _, _, _, etc.,It is a beautiful day. 2. It never rains but it pours. 3. It was time to quite smoking. 4. It is 10 kilometers to the castle. 5. It takes all sorts.,weather,time,distance,Impersonal “it” can also be used to talk about _, _, _, _, etc.,circumstance,1. It is Friday today. 2. It lies in the south of Shaoguan city. 3. It is 40! You got a high fever! 4. Its quiet here.,date,place,temperature,1. It was very cold yesterday. 2. It is about 8:30 now