英语四级六级培训课程

托福语法解说:宾语从句

时间:2022-4-11 作者:洪恩少儿英语

在主句中作宾语的就是宾语从句,并非所有些动词都能接宾语从句,应满足的先决条件是及物动词。宾语从句可分为三类:

1、that 引导的宾语从句

that引导的宾语从句最为常见,从句应是完整的主谓结构,且that有时可以省略,

如:She told me (that) she had bought a gift for me.

I hope that it will be cooler tomorrow.

常接此类宾语从句的动词有:say, think, hope, tell, see, deny, demand, suggest, propose, declare, feel, intend, insist, believe, agree, admit, expect, explain, imagine, know, report, doubt等

I doubt that he has the ability to do this.

2、what, where, when, which, who, why,

how等词引导的宾语从句

宾语从句还可由上述类似特殊疑问词的引导词引出,此时引导词作从句的主语、宾语、或状语,不能省略

如:I can’t understand why you feel so bitter about her manners.

Could you explain what has caused the delay?

I wonder how you managed to escape.

Just tell me which one you prefer.

此类从句的形式颇像问句,但应该注意应用陈述句语序,不可倒装

可接此类从句的动词有:ask, say, tell, know, wonder, understand, inform, advise, decide, find, answer, suggest, show, discuss, discover等

3、whether /if 引导的宾语从句

whether / if引导的从句,表示“是不是….”,whether /if虽不在从句中担当成分,但因有实质意思,不可省略,之后的从句需要是完整的主谓结构

如:I wonder if /whether you are interested in his paintings.

I can’t decide whether I should go or not. (此时不可以用if)

注:有的be+形容词的句式结构像宾语从句,可归入此类,如:

I am sure that he will come before long.

I’m afraid (that) you are not allowed to enter without a pass.

例题:

(1)

Almost all economists agree —-by trading with one another.

(A) nations that are gained

(B) nations they gain

(C) gaining nations

(D) that nations gain

答案:D

讲解:谓语动词agree的宾语不完整, 因agree一词不可以直接与名词词组搭配, 但可接that引导的从句, 故D以外的选项均可排除

(2)

A biologist does not merely describe organisms, but tries to learn —-act as they do.

(A) what causes them to

(B) causes them to what

(C) what to cause them

(D) what cause to them

答案:A

讲解:空格处需要的是动词learn的宾语,B是谓语形式可先排除;因不符合固定词组cause somebody to do, C和D均可排除;A是what引导的宾语从句,符合题意

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