it 的 用.ppt

Grammar;Translate;1. It is time to quit smoking. 2. It is amazing that at my age I am still so fit. 3. Once you are addicted to smoking, you will find it tough to give it up. 4. It is a little difficult for adolescents to become accustomed to a new enviroment.;8. It is likely that he will succeed.;Read and analyze the following sentences.;Read and analyze the following sentences.;完成导学案Ⅰ;Read and analyze the following sentences.;跟踪训练1：It is+ adj. + that从句;It is strange that_______________________. 他居然会这样说，真是奇怪。 It is a great pity that___________________. 他居然会这样想，真是一件憾事。 It is natural that___________________________. 鸟在树上安歇是很自然的。 It is necessary that___________________________. 有必要立即派他去北京。 ;Read and analyze the following sentences.;跟踪练习2：;小结：it 做形式主语; … possible It is/was +adj. necessary + important … ;It is said that… 据说…… It is reported that… It is supposed that… It is hoped that… It is well known that… ; 1.吸烟危害健康，这是事实。 2.碰巧我们在同一间大学 。 3.据说日本发生了地震。 4.劝他戒烟实在浪费时间。 ;Read and analyze the following sentences.;7123结构;跟踪练习3.用形式宾语造句;It is/was+被强调部分+who(whom)/that+其他部分;强调句型的判断 将“It is/was …that/who…”结构去掉，剩下的部分能构成一个完整的句子便是强调句。 1) It was the street ____ I met an old friend of mine yesterday. that B. where C. which D. what 2) It was in the street ____ I met an old friend of mine yesterday. 3)It was at 6:00 _____we had our supper yesterday evening. 4)It was 6:00 _______we had our supper yesterday evening. ; It was ___ back home after the experiment. A. not until midnight did he go B. until midnight that he didn’t go C. not until midnight that he went D. until midnight when he didn’t go In which play is ___ your brother appears? A. that where B. this when C. it that D. it where It was in the lab ___ was taken charge of by Profes