1、 2.5 表语从句的专项习题一定义表语从句就是用一个句子作为表语。位于系动词之后，说明主语身份，特征，属性或状态。放在系动词之后,一般结构是“主语+系动词+表语从句”The problem ispuzzling.The problem is when we can get a pay rise.二、系动词的分类 (4类)感官系动词look“看起来像是” smell“闻起来” sound“听起来” taste“尝起来” feel “摸起来，给感觉”状态系动词be，“是” seem,“似乎，好像” (完全系动词：只能跟表语) appear, keep, remain， stay， prove (半
2、系动词：还能跟宾语等) 动态系动词: 都属于半系动词，描述状态变化过程。get, go, come, fall, grow, turn, become, make, run 双谓语系动词此类系动词既有系动词的功能，后接表语，又保留原实义动词本身的含义。The run rose red. 太阳升起红艳艳。She stopped and stood quite still. 她停下来然后一丝不动地站着.The snow lay thick on the ground. 雪厚厚地堆积在地上.He married young. 他结婚很早.Lei Feng died young. 雷锋早逝.He co
3、ntinued silent. 他继续沉默不语.三、引导词从属连词:that，whetherThe trouble is that she has lost his money. 麻烦的事是他丢了钱。The question is whether we need more ice cream.问题是我们是否还需要一些冰淇淋。that在引导表语从句时无词义，而whether有词义，意为、“是否”。关系代词：who,whom,whose, what,which, whatever, whichever whoever, whomever The question is which of us sh
4、ould go.问题是我们哪一个应该去。The problem was who could do the work.问题是谁能做这项工作。Thats what we should do.那是我们应该做的。在句中作主语、宾语、表语，关系代词不能省略。关系副词：when, wherewhy, howGo and get your coat. Its where you left it. 去把雨衣拿来。就在你原来放的地方。I had neither a raincoat nor an umbrella. Thats why I got wet through. 我们既没伞也没雨衣，这是我们淋湿的原因
5、。That is how mice ruin many stores of grain every year.那就是老鼠是怎样每年损害大量粮食的。That is what he is worried about.那就是他所担心的。除在句子起连接作用外，在从句中还充当时间，地点，方式或原因状语，本身具有词义。连词:because，as if/as thoughIt looked as if it was going to snow看起来好像要下雪了。Thats because we never thought of it.这是因为我们从未想过此事。It seems as if he didnt
6、know the answer.好像他不知道答案。四、注意事项1.表语从句要用陈述语序。如： That is where the famous scientist was born. This is why she is so happy today2. 不可以用if，而用whether 连接表语从句(as if 例外）The question is if the enemy is marching towards us. The question is whether the enemy is marching towards us. It looked as if he had under
7、stood this question. 3.时态表语从句的复合句中，主句时态和从句时态可以不一致。 The question is who will travel with me to Beijing tomorrow. The question is why he cried yesterday.4.语气主语为advice, order, idea,notion,proposal, suggestion,request等一些表示“建议、劝说、命令”的名词，之后的表语从句中，谓语动词用虚拟语气。should+动词原形表示，should可省略。如： My suggestion is that
8、we (should) start early tomorrow. 我的建议是我们明天一早就出发。 Ouronlyrequestisthatthisshouldbesettledassoon aspossible. 我们唯一的请求就是尽快解决这个问题。 As if/though引导的表语从句时，从句谓语多用虚拟语气,这是因为从句中的情况与事实不相符。 具体来说，如果从句表示与现在事实相反，谓语动词用一般过去式； 如果从句表示与过去事实相反时，谓语动词“had+done”， 如果从句表示将来的可能性不大，用would(might ,could )+动词原形，如： Li Lei is now in
9、 a new jacket . he looks as if he were anAmerican boy. The girl is giving us a vivid description of moon. It seems as if she had been to the moon many times.但是，如果as if ,as though 引导的表语从句所表示的与事实相符，从句则用陈述语气，如： The clouds are gathering. It looks as if is going to rain.5.记住两个句型 The reason is that That i
10、s why （because） 如： The reason is that he didnt catch the bus. 理由是他没有赶上公共汽车。 That is why he came late. 那就是他晚的原因。 That is because he didnt catch the bus. 那是因为他没有赶上公共汽车。专项练习 一、单项选择 1.The question is _ we will have our sports meet next week.A. that B. if C. when D. whether2.The reason why he failed is _
11、he was too careless.A. because B. that C. for D. because of3. Go and get your coat. It s _you left it.A. where B. there C. there where D. where there4.The problem is _to take the place of Ted.A. who can we get B. what we can getC. who we can get D. that we can get5.What I want to know is _ he likes
12、the gift given by us.A. that B. if C. whether D.不填6.The reason is_ I missed the bus.A. that B. when C. why D. what7.That is _ we were late last time. A. that B. when C. why D. what8. She looked _ she were ten years younger.A. that B. like C. as D. as though9.I fell sick!I think it is _ you are doing
13、 too much.A. why B. when C. what D. because10. The reason why he hasnt come is _.A. because his mother is ill B. because of his mothers being illC. that his mother is ill D. for his mother is ill11. He was born here. That is _ he likes the place so much.A. that B. what C. why D. how12.That is _ Lu X
14、un once lived.A. what B. where C. that D. why13._your father wants to know is_ getting on with your studies.A. What; how are you B. That；how you are C. How；that you are D. What；how you are14. The trouble is_ we are short of tools.A. what B. that C. how D. why that15. America was _was first called “I
15、ndia” by Columbus.A. what B. where C. the place D. there where16. China is becoming stronger and stronger. It is no longer_ .A. what it used to be B. what it was used to beingC. what it used to being D. what it was used to be17. _he really means is _he disagrees with us.A. What that B. That whatC. W
16、hat what D. That what18. The energy is _ makes the cells able to do their work.A. that B. which C. what D. such19 I drove to Zhuhai for the air show last week.Is that_ you had a few days off？A. why B .what C. when D. where20 .I had neither a raincoat nor an umbrella _I got wet through.A. Its the rea
17、son B. Thats why C. Theres why D. Its how21. See the flags on top of the building? That was _ we did this morning.A. when B. which C. where D. what22. Are you still thinking about yesterdays game? Oh, thats _.A. what makes me feel excited B. whatever I feel excited aboutC. how I feel about it D. when I feel excited答案15: DBACC610 :ACDDC1115:CBDBA1620: AACAB2123: DAA
