高中英语it的用法-(详细有高考题-精品)PPT课件.ppt

It的用法;it可用来指代前文提到的人,物或事情,也可以用来指时间,金钱,距离,天气等自然现象;1. it作人称代词;2.非人称代词it;二、形式宾语:; 1. S+ think + it + necessary +( for sb. ) to do sth. ;形式宾语2;; 6 主句中常用的动词：think,believe,make,find,consider,feel； 1 形式宾语it； 　 2 宾补的两种形式：形容词或名词； 3 真正宾语的三种形式： ①不定式短语②动名词短语③引导的宾语从句。 We think it our duty to clean our classroom. 　 He felt it important learning English well. 　 They found it difficult that they would finish their work in two days.;I like ___ in the autumn when the weather is clear and bright.(04全国) A. this B. that C. it D. one; enjoy,? like,?/ love,? dislike,?　 appreciate hate,? dont?mind,? be?fond?of,? feel?like,? see?to?/ depend on / insist on  ; 动词+ it+?as+?noun/adj. + 从句 (把….视为….);　　 动词?+it?+?to sb.?+?that…? 　　 owe?it?to?sb.?that…把…归功于…? 　　leave?it?to?sb?that…把…留给某人去做? 　　take?it?for?granted?that?把…想当然? 　　keep?it?in?mind?that…?把…记在心里 例?1.Dont?bother?to?tidy your room. ?Just?leave?it?to?me?to?do .? 他想当然的以为女朋友会再回来。 He took it for granted that his girlfriend would come back again.;三、形式主语:;1. ___is necessary to be prepared for a job interview. Having the answers ready will be of great help. 2. The Foreign Minister said, “___is our hope that the two sides will work towards peace.” 3. ___is known to everybody that the moon travels round the earth once every month.; … possible It is / was + adj. necessary + ( for sb. ) to do sth. / clause important …;该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为“清楚（显然，真的，肯定．．．）”　是主语从句最常见的一种结构。 　　  It is very clear that he’s round and tall like a tree. 　　 = That he’s round and tall like a tree is very clear. ;该句型中的不定式短语是真正主语，如果不定式的逻辑主语是由 of引起，主句中的形容词必须是能表示逻辑主语特征的形容词。 常见的有： bad ， brave ， careless， clever ， cruel ， foolish ， silly ， stupid good （好心的）， hone