本试题 “My biggest problem is ______ I'm too busy.[ ]A. whenB. whereC. thatD. /” 主要考查您对从属连词
表语从句
等考点的理解。关于这些考点您可以点击下面的选项卡查看详细档案。
从属连词可分为三大类:
1、that (无词义,不做成分)
if,whether (表达是否的意义,但不做句子成分)
2、连接代词:who,whom,whose,what,which,whatever, whoever, whichever(有词义,在句子中可作主语、表语、宾语)
3、连接副词:when,where,why,how,how many,how long,how far,however,whenever,wherever (有词义,作从句的状语)
用法:
从结构上说,英语连接词分两大类:并列连词和从属连词。
并列连词连接两个或两个以上地位平等的字、词组或分句。例如:
(1) Air and water are indispensable to me.
(2) She likes going out with friends or playing outdoor games.
(3) Most workers have a good income, so they look very happy.
从属连词连接两个或两个以上的分句,形成复杂句中的从属分句。例如:
(4) He said that he did not want to go .
(5) Many things have happened since I last saw him.
(6) You may come if you want to.
从属连词用来连接各种从句。
until(till)直到,在用until表达时间状语的句子中,主句中的动词是要十分小心去选择的。
如动词是持续行动词,它要用肯定句,如:
I studied hard until 12 o'clock last night.
如果动词是瞬间截止性动词,则要用否定句,如:
He didn't go to bed until his mother came back.
由since,for,by,before, 来引导的时间状语从句。
since 引导的时间状语是动作的开始时间,如:
I have studied English since 1990.
而by引导的时间状语通常是动作的结束时间,如:
I had learned 25 English songs by the end of last term.
种类 | 语法作用 | 连词举例 |
从属连词 | 引导原因状语从句 | Because, since |
引导条件状语从句 | If, unless, as long as | |
引导目的状语从句 | So that | |
引导结果状语从句 | So…that | |
引导方式状语从句 | As, just as, as if | |
引导让步状语从句 | Though, although, even though, no matter what, however, no matter how, whoever, no matter who, wherever, no matter where | |
引导比较状语从句 | As…as, not so…as, than, less…than, the more…the more | |
引导名词性从句 | Who, whom, whose, which, that, when, where, why |
表语从句中需要注意的地方:
1. 表语从句一定要用陈述语序;
2. 不可以用if,而用whether 连接表语从句(as if 例外);
3. 与宾语从句不同,在有表语从句的复合句中,主句时态和从句时态可以不一致。
4. 连接词that一般不能省略,但当主句中含动词do的某种形式时,that可以省略。如:
What I want to do is (that) I can go up to him and thank him. 我想做的事是走到身边去感谢他。
5. 当句子的主语是:advice, demand, decision, desire, idea, insistence, instruction, order, plan, proposal, recommendation, request, requirement, suggestion, wish等名词时,
表语从句须用虚拟语气,即:should +do。如:
My advice is that you should go to apologize to him. 我的建议是你应该去向他道歉。
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