英语：高中语法It用法详解课件.ppt

2. 表示时间，天气， 距离，温度等。  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可数名词,要有后置定语,但不可以有前置修饰语。?  Few?pleasures?can?equal?to ________?of?a?cool?dirnk?on?a?hot?day.? A.?some　B.?any　C.?that　D.?those? 1. It is time ( about time ，high time ) that ... 从句应该用虚拟语气，① 常用过去时态表示虚拟．② 有时也用should + 动词原形，should 不能省，常译为＂是（正是）．．．的时侯．．．＂ 　　 It is time that children should go to bed. 　　 = It is time that children went to bed. 5.?动词?+it?+?that enjoy,? like,?/ love,? dislike,?　 appreciate hate,? dont?mind,? be?fond?of,? feel?like,? see?to?/ depend on /insist on例?I?hate?it?you?can?dance?so?well? but?I?cant.?  I like (enjoy, hate…) it when…. I would appreciate it if… 6. 动词make +it+ a rule +that从句 译， 他习惯于天亮前起床。 He makes it a rule that he get up before dawn. 形式宾语 四，含有it的句型 2. It is the first ( second ... ) time that ...  It is the first time I have been here. = This is the first time I have been here. 含有it的句型 3. It is .... since ...。 since 引导的从句通常是一般过去时态，而且是瞬间动词。 “做某事已经多久了” It is ( has been ) 5 years since his father died. 4. ?It?is…?since?+延续性动词的过去式 ?“不做某事已经多久了” 例。?It‘s?10?years?since he?had breakfast?.? 含有it的句型 5. It is ... when ...。 when 引导时间状语从句，主句中的 it 指时间，表语由具体的时间充当，常译为＂当．．．的时候，是．．．＂ 　　 It was 5 o’clock when he came here. 6. 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＂．．．之后．．．＂。 It was 3 days before he went to Beijing. It will be not long before he finishes his job. 例：我们该采取行动了。? It‘s(about/high)?time?that?we?should?take?action.?  例?：这是他第三次没有通过驾照考试。 It’s?the?third?time?that?he?has?failed?the?driving?test.?  例 ：不久后他们就会到。? It?was?not?long?before?they?arrived.? 含有it的句型 　　It?is/was+被强调部分+?that(who)…? 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。 强调句型 It is the ability to do the job not where you come from or what you are __ matters. A. one B. that C. what D. it It is / was + 被强调的部分 +that / who+句子其他成分 强调句型 高考真题 It was ___ back home after the e