【正文】 容詞或相當于名詞或形容詞的詞或短語充當，和連系動詞一起構成謂語。放在系動詞之后,一般結構是“主語+系動詞+表語從句” 可以接表語從句的連系動詞有be, look, remain, seem等?！?The trouble is that we are short of ?！?That is why stone walls are used instead of fences around New England ?！?At that time, it seemed as if I couldn39。t think of the right word ,我似乎怎么也想不出一個恰當?shù)淖盅蹃?。引導表語從句的詞：從屬連詞that、whether、as though、as if（That引導表語從句時，在口語中，間或可以省略。）關系代詞who, what, which, whom, whose, whatever, whoever, whomever, whichever等；關系副詞when, where, why, how, however, whenever, wherever等?！?由從屬連詞that，whether引導的表語從句。that在引導表語從句時無詞義，而whether有詞義，意為、“是否”。這時主句的主語常常是些抽象名詞，如question(問題)，trouble(麻煩)，problem(問題)，result(結果)，chance(可能性)，suggestion(建議)，idea(想法)，reason(理由)等。表語從句對主句主語進行說明、解釋，使主語的內(nèi)容具體化。例如：★ The trouble is(that)she has lost his 。★The question is whether we need more ice 。★The problem was that it was too valuable for everyday 。★What she couldn’t understand was that fewer and fewer students showed interest in her ?！?由關系代詞引導的表語從句。關系代詞who, what, which, whom, whose, whatever, whoever, whomever, whichever等引導表語從句，在句中作主語、賓語、表語，關系代詞不能省略。例如：★The question is which of us should ?！颰he problem was who could do the 。★That39。s what he is worrying ?！颰hat39。s what we should ?！申P系副詞引導的表語從句。關系副詞 when, where, how, why 除在句子起連接作用外，在從句中還充當時間，地點，方式或原因狀語，本身具有詞義。例如：★Go and get your 39。s where you left 。就在你原來放的地方。★I had neither a raincoat nor an ’s why I got wet ，這是我們淋濕的原因?！颰hat is how mice ruin many stores of grain every ?！颰hat is what he is worried ?！?由連詞because，as if/as though等引導的表語從句?！颕t looked as if it was going to ?！颰hat39。s because we never thought of 。★It seems as if he didn’t know the 。注意。False: The question is when can he arrive at the : The question is when he can arrive at the ，而用whether 連接表語從句(as if 例外）。引導賓語從句時可以互換if/whether 位于介詞后要用whether 位于句首時要用whether。引導表語從句，主語從句，同位語從句時要用whether。False: The question is if the enemy is marching towards : The question is whether the enemy is marching towards : It looked as if he had understood this ，在有表語從句的復合句中，主句時態(tài)和從句時態(tài)可以不一致。Right: The question is who will travel with me to Beijing : The question is why he cried ?；居梅ū碚Z從句只能置于主句之后，而主句的動詞只能是聯(lián)系動詞。名詞性從句在be等系動詞后作表語時被稱為表語從句例如： ★The problem is how we can get the things we 。(how 在表語從句中充當方式狀語)★The scissors are not what I 。(what 在表語從句中充當賓語)★What I told him was that I would find him a good 。(what在主語從句中作直接賓語，that作為表語從句的引導詞在該表語從句中不充當句子成分，不能省略)★That is what I want to tell 。(what在表語從句中充當直接賓語)★That is why she failed to pass the 。(why 在表語從句中充當原因狀語)表語測試 question is ________ we will have our sports meet next 2．The reason why he failed is ________he was too of and get your ’ s ________you left it where there 4．The problem is _________to take the place of Ted can we get we can get we can get we can get I want to know is ______ he likes the gift given by reason is_________ I missed the is __ ___ we were late last looked _________ she were ten years though 9.—I fell sick!I think it is _______ you are doing too reason why he hasn’t e is his mother is ill of his mother’s being ill his mother is ill his mother is ill 11.—He was born is _______ he likes the place so is ______ Lu Xun once 13．_______your father wants to know is________ getting on with your 。how are you；how you are ；that you are；how you are trouble is__________ we are short of that was __________was first called “India” by place where is being stronger and is no it used to be it was used to being it used to being it was used to be really means is ________he disagrees with … that … what … what … what energy is ________ makes the cells able to do their 19 —I drove to Zhuhai for the air show last week.—Is that_____ you had a few days off？ had neither a raincoat nor an umbrella ____I got wet ’s the reason ’s why ’s why’s how the flags on top of the building? That was ______ we did this you still thinking about yesterday’s game?Oh, that’s makes me feel excited I feel excited about I feel about it I feel excited surprised me was not what he said but ______ he said way the way that the way way which 答案1~5: DBACC 6~10 :ACDDC 11~15:CBDBA 16~20: AACAB 21~23: DAA