Unit4 表語從句課件-高中英語人教版必修三

1、Predicative Clauses 表語從句表語Linda is an excellent student. 表語主語連系動詞. Definition（定義）表語是用來說明主語的身份、性質(zhì)、品性、特征和狀態(tài)的，表語常由名詞、代詞、數(shù)詞、動詞過去分詞、動詞的-ing形式、副詞、介詞短語、形容詞、不定式和從句等來充當。Eg. （例子）The person stood in front of you just now is my headmaster. I didnt know that it was you at that time. The door remained closed. Mar

2、ys daily job is cleaning the house. 名詞充當表語代詞充當表語動詞過去分詞充當表語動詞- ing形式充當表語The house is not only large but also beautiful. When I went to your house, you were out. No one was in the dorm, when she arrived. My job is to teach you English. The reason why he came late was that his clock didnt work. 介詞短語充當表

3、語副詞充當表語形容詞充當表語不定式充當表語從句充當表語. Position (位置) 表語常位于系動詞（be等詞）之后，與主語共同構(gòu)成主-系-表結(jié)構(gòu) (Subject-Predicative structure) 的句子。. Linking Verbs (連系動詞) 除動詞be以外，還有一些后面可接表語的特殊連系動詞，如：look, smell, taste, sound, feel, fall, come, go（變成）, become, grow（漸漸地變化）, turn(變成，一般用于顏色), appear, seem, get, keep, remain, stay等。. Notes1

4、. 上面提到的動詞，不總是用作連系動詞。2. 代詞充當表語時，通常用代詞的賓格形式。3. 選擇時，區(qū)分該用動詞過去分詞、動詞-ing形式還是動詞的不定式充當表語 主語是動作的發(fā)出者，并且動作在持續(xù)進行時，用動詞-ing形式； 主語是承者時，用動詞過去分詞；而當動作是主語要執(zhí)行的多用不定式。 Eg. She remained there for a good hour, which surprised everyone. A. to stand B. stand C. stood D. standing D. The Predicative Clause(表語從句) 由一個句子充當句子的表語,

5、這個充當表語的句子就叫做表語從句。表語從句和主語指同一內(nèi)容，它對主語進行解釋，是主語的內(nèi)容具體化。相當于一個名詞。小結(jié)：1. 表語從句的構(gòu)成:主系表2. 引導(dǎo)詞: 連接詞 that, whether, as if/though, because連接代詞 whose, who, whom, what, which +ever3. 語序:主從句時態(tài)呼應(yīng)一致原則4. 時態(tài):陳述語序連接副詞 when, where, how ,why that, whether (是否)引導(dǎo)從句。注：if不能引導(dǎo)表語從句。 (1) The trouble is that he has never done the w

6、ork before.(2) The question is whether we should ask them for help. 表語從句的引導(dǎo)詞2. 由as if ,as though引導(dǎo)表語從句，表示好像。 句子中的系動詞常用look, appear, seem等。(1) It looks as if it was going to rain.(2) The young man with long hair looks as if he were a girl. (1) The reason _he was late is _ his mother was ill. (2) His

7、mother was ill. Thats he was late. (3) He was late. Thats his mother was ill.whythatbecausewhy總結(jié)歸納1.The reason why. . . is that. . . 的原因是2. That is why. . . 那就是的原因(強調(diào)結(jié)果)3. This is because. . . 這是因為(強調(diào)原因)3. because (3) The problem is who we can get to replace her. (4) The problem is whom he is waitin

8、g for. (4) What I dont know is which book it is. (5) The mystery is whose castle it is. (1) The question is what caused the accident. (2) That is what he is worried about.4. 連接代詞 who, whom, whose, which, what。5. 連接副詞why, when, where, how。(1) This is how he did it.(2) That is why the brothers wanted

9、to make a bet.(3) That is where he was born.1.Maria has to look after her sister. Thats _ she cant come out with us. A. why B. how C. when D. what2. She looked _ she were ten years younger. A. that B. as if/though C. as D. likePractice3. What the doctors really doubt is _ my mother will recover from

10、 the serious disease soonA. when B. how C. whether D. why4. Are you still thinking about yesterdays game? Oh, thats _. A. what makes me feel excited B. whatever I feel excited about C. how I feel about it D. when I feel excited5. Go and get your coat. Its _ you left it. A. there B. where C. there we

11、re D. where there1. Without his support, we wouldnt be where/what we are now.2. This is what my father has taught meto always face difficulties and hope for the best.3. By boat is the only way to get here, which is how we arrived.4. The truth is that I have been there.5. It looks as if/ though it was going to rain.6. The reason why he failed is _he was too careless.7. Sara missed the bus. This is _ She was late for the meeting. 8. The question is _ it is worth doing.9. The problem is _ could do the