it 作形式主语和宾语的用法教学PPT课件.ppt

Grammar it 作形式主语和宾语的用法 it 作形式主语 形式主语 It is amazing that at my age I am still fit. 2. It is said that he had passed the exam. 3. It is a pity that he is ill. 4. It is easier to fall than to rise. 5. It is no use crying over spilt milk. 观察以下句子 it可以放在句中代替 ____, ___________ 或 ____________ 作形式主语 从句 不定式(短语） 动名词(短语) 1.It is amazing that at my age I am still fit. it 作形式主语 句型结构： It is + It is + adj. (important, necessary...) +that + sb. + (should) do sth. 　　 it 是形式主语，真正的主语是that 引导的从句。 该句型中，如果形容词是important,right, necessary等，that后的从句中要用虚拟语气（should + 动词原形），should 可以省去。 It is important that we (should) learn English well. adj. + that ... 2. It is said that he had passed the exam. it 作形式主语 句型结构： It is+ 译为 “据说,据报道，据悉……”that引导的从句是真正 的主语 done ( said, reported...) +that ... 3. It is a pity that he is ill. it 作形式主语 句型结构： It is + 该句型中，that后的从句一般用虚拟语气（should + 动词原形），should可省去,表示出乎意料，常译为＂竟然＂。 n. (a pity, a shame...) +that ... 4. It is easier to fall than to rise. it 作形式主语 句型结构： It is + it 作形式主语，代替真正的主语 to do sth. adj. + to do sth. 5. It is no use crying over spilt milk. it 作形式主语 句型结构： It is + 该句型中的真正主语是动名词短语,译为“做...是没有用/好处的”。 no use/good +doing sth. 1. It is + adj. + that ... 2. It is + adj. (important...) +that + sb. + (should) do sth. 3. It is+ done ( said...) +that ... 4. It is + n. (a pity...) +that ... 5. It is + adj. + to do sth. 6. It is no use/good + doing sth. 总结：it作形式主语的常见句型 it 作形式宾语