it做形式宾语的用法（共11张PPT）课件PPT

这是一份it做形式宾语的用法（共11张PPT）课件PPT，共11页。PPT课件主要包含了adjn，形式宾语，完成句子，for her 等内容，欢迎下载使用。
He fund it difficult t stp smking. I think it best that yu shuld d mre exercise.She thught it n gd wrrying abut him.
It作形式宾语代替不定式短语,从句或动词-ing。
1.It 用作形式宾语
当不定式（短语）、动名词（短语）或从句在句子中作宾语时，为保持平衡，避免句式结构的混乱，常用it作形式宾语，而将真正的宾语放在句尾。此时it只起引导作用，无意义。
S + v + it+
(fr sb) t d sth..从句ding sth
… … find pssibleS+ think + it + necessary +( fr sb. ) t d sth./that-clause feel imprtant … …
Sentence patterns:
… a rule2. S+ V + it + ne’s duty + ( fr sb. ) t d sth. /that-clause an hnur …
3. S + V + it + n gd + ding sth. n use
（1） They ________________（发觉……难）  t finish their wrk in tw days. （2） We ________________（认为……是我们的职责） t clean ur classrm every day. （3） It is imprtant _______（对她来说） t cme t the party.
fund it difficult
think it ur duty
作形式宾语( Preparatry Subject )
为了记忆方便我们把该句型总结为"6123结构"。
6指主句中常用的动词：think,believe,make,find, cnsider,feel； 1指的是形式宾语it； 　 2指的是宾补的两种形式：形容词或名词； 3指的是真正宾语的三种形式：不定式短语，动名词短语 或从句。
We think it ur duty t clean ur classrm every day. 　 He felt it imprtant learning English well. 　 They fund it difficult that they wuld finish their wrk in tw days.
1.The fact that she was freign made ____difficult fr her t get a jb in that cuntry . A. S B. much C. that D. it 2. The dctr thught ____wuld be gd fr me t have a hliday . A. this B .that C . ne D . It 3. I dn’t think _______ pssible t master a freign language withut much memry wrk. A. this B. that C. its D. it
4.It 作形式宾语的特殊用法
1>. 某些表示“喜、怒、哀、乐”的动词，如like, enjy, lve, hate, dislike, appreciate等 后往往不能直接接宾语从句；必须先由it担任形式宾语,再接从句.
We wuld much appreciate it if yu culd d us that favur.要是你们能帮我们这个忙，我们将非常感激。I'd prefer it if I didn't have t finish the wrk.要是我不必完成那项工作，那就太好了。
2>.某些含有介词的动词短语如see t, depend n, answer fr, rely n, insist n, lk t, stick t 等结构中往往不能直接接宾语从句；必须先由it担任形式宾语,再接从句.
I'll see t it that everything is ready in time.我将负责按时做好一切准备。Yu may depend n it that Tm will help yu with yur English. 你放心，汤姆会帮助你学英语的。I’m cunting n it that yu will cme. 我指望着你会来。
I like _______ in the autumn when the weather is clear and bright. A. this B. that C. it D. ne
2. I hate __when peple talk with their muths full. A. it B. that C. these D. them