《2022年it的用法及句型总结.docx》由会员分享，可在线阅读，更多相关《2022年it的用法及句型总结.docx（8页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、名师归纳总结 精品学习资料 - - - - - - - - - - - - - - -It 的用法一、Tell the functions for “ it ” in each sentence:1、-Whats the weather together.-It is fine.2. It is hard to communicate with him.3. I find it hard to communicate with him. 4. It is Li that who cleaned the classroom. 5. It is a book.二、 It 用法归纳 1, 指代 it
2、 （1）.用作人称代词：指代物、整个句子（2）用作非人称代词 2, 形式 it：（1）作形式主语（2）作形式宾语 3, 强调 it 4, 特殊句型 5.在答语中指代 this/that：1.-Whose book is that. -Its mine.三、特殊留意：it, one 和 that 作替代词的用法及区分1. it 代替前面提到的同一事物,该事物既可以是可数名词也可以是不行数名词；特指,指代单数,指代物,同名同物 Can I borrow your pen.Sorry, Im using it.2. one代替前面提到的同类事物中的一个； 该事物只能是可数名词 ,前面可以有冠 词,也
3、可以被 this、that 或形容词修饰 ,其后也可以有定语；（泛指,指代可数名词,指代人或物,同名异物）I have a bike. Do you have one.Eg: 1.I bought a dictionary three years ago and I am still using_ now.2 I bought a dictionary three years ago but I am going to buy a new _soon.3. that 代替前面提到的同类事物中特指的一个；该事物既可以是可数名词也可 以是不行数名词 ,必需要有后置定语 ,但不行以有前置修饰语；（特
4、指,指代单数或不行数,指代物,后面有定语）The coffee produced in Brazil is more famous than _in Mexico.细心整理归纳 精选学习资料 - - - - - - - - - - - - - - - 第 1 页,共 4 页 - - - - - - - - - 名师归纳总结 精品学习资料 - - - - - - - - - - - - - - -代词特指 /泛指人/物名词特例it特指物单数同名同物；指代整个句子可数名词that特指物单数后面有定语；指代上文可数名词 / 不 可 数 名词one泛指人、物单数同名异物可数名词四：形式主语、宾语、强调
5、句及其他1、形式主语 ItIt is important to give the money back to him on time. 不定式 It is no use arguing with such a person. 动名词 It is said that he was the No.1 in the competition. 主语从句it 作句子的形式主语 , 后面被指代的主语包括：不定式动名词主语从句It 替代作主语的动名词It no good/usedoing Its wellworth doing 例 Its no use crying over spilt milk.形式主语
6、中的虚拟语气1. It is important necessary,strange, natural. that . It is important that we should have enough rice. 2. Its surprising that should 竟然 例 Its surpring that you should apologize to her without any reason. 3. It is suggested ordered /demanded/insisted/commanded. that . 第 2 页,共 4 页 - - - - - - -
7、- - that后的从句要用虚拟语气（ should + 动词原形）,should 可以省；常译为“ 据建议；有命令）4.It is suggested that the meeting should be put off.细心整理归纳 精选学习资料 - - - - - - - - - - - - - - -名师归纳总结 精品学习资料 - - - - - - - - - - - - - - -5. It is a pity a shame . that . that 后的从句一般用虚拟语气（这种意义时,就不用虚拟语气；should + 动词原形）,常译为“ 竟然” ；没有例如； It is a
8、 pity that such a thing should happen in your class. 6、It is adj for sb. to do sth. important, necessary, natural , impossible , unusual , rare , normal ,easy ,hard ,difficult ,dangerous ,pleasant ,likely, right, wrong, , clear,obvious, certain,suitable, proper,useful, 等、7. It is adj of sb. to do st
9、h. good （好心的）, nice（有教养的）, polite, kind , brave , careless,honest , modest ,considerate,naughty ,wise ,clever ,thoughtful, careful, crazy, bad , lazy , rude , cruel , foolish , silly ,stupid ,. 等；这个句型可以改写为： sb. is adj to do sth. ；It is kind of you to say so. = You are kind to say so.2、形式宾语 itI think
10、 it important to give the money back to him on time. I find it no use arguing with such a person.I knew it when he left without saying a word.it 作形式宾语时,句子的真正宾语是：不定式动名词宾语从句固定句型 ：1、owe it to sb. that 把 归功于2、see to it that:务必 ./负责 .3、I like enjoy, hate,dislike it when .: 我喜爱 /厌恶 .4、I would appreciate i
11、t if ： 假如 .我将不胜感谢5、keepit in mind that 把 记在心里6、I like enjoy, hate it when .7、I would appreciate it if3、强调句 itIt is/was+被强调部分 + thatwho用来强调谓语动词以外的任何句子成分；当被强调部分是人时也可以用 who；4、其他含有 it 的句式It is time about time ,high time that . 例如： It is the first second . time that .细心整理归纳 精选学习资料 - - - - - - - - - - - -
12、 - - - 第 3 页,共 4 页 - - - - - - - - - 名师归纳总结 精品学习资料 - - - - - - - - - - - - - - -It is the first time I have been here. = This is the first time I have been hereIt is . since .；since 引导的从句通常是一般过去时态,而且是瞬时动词；“做某事已经多久了”例如： It is has been 5 years since his father died. It is since +连续性动词的过去式 “不做某事已经多久了 ”
13、例； It 10 yearssince hehad breakfastIt is . when .；when 引导时间状语从句,主句中的译为当的时候,是it 指时间,表语由详细的时间充当,常例如： It was 5 oclock when he came here. It be . before . when 从句中常是将来一般时或过去时两种时态主句中的 it 指时间,表语 多是 long, not long , 3 days , 2 weeks 等表示时间段的词或短语,常译 为后；例如： It was 3 days before he went to Beijing. It will be not long before he finishes his job.细心整理归纳 精选学习资料 - - - - - - - - - - - - - - - 第 4 页,共 4 页 - - - - - - - - -