来源:网络资源 2022-03-10 20:11:33
宾语从句三要素:连接词; 语序;时态。
1. 宾语从句连接词:
1). 陈述句用that.
I hear (that) he will be back in an hour. (一小时后他会回来)
He said (that) he missed us very much. (他非常想念我们)
The teacher told us (that) the earth moves around the sun (地球围着太阳转).
注意:
a. that 在句中无词汇意义,在从句中不能充当成分,在口语当中往往省略;
b. 当从句是客观真理的时候,无论主句什么时态,从句一律用一般现在时.
2). 一般疑问句用 wether 或 if.
Ask him whether (if) he can come. (他是否能来)
I don't know whether it is going to rain or not.(是否要下雨)
注意:以下几种情况,只能用whether, 不能用if。
a. 与or not 连用只能用whether;
b. 介词后只能用whether;
c. 与to do 不定式连用只能用whether;
d. 作主语只能用whether.
3). 特殊疑问句用原有的连接代词(who, whom, whose, which)和连接副词( what , where, how, why, when)。例如:
He askedwho could answer the question. (谁能回答这个问题)
Can you tell me wherehe is? (他在哪儿)
2. 语序:陈述句语序
即:陈述句结构(主+谓+其他成分)
”用 Bill wonders if _______, 将下列句子换成陈述句“:
Is there a bank near here?
→Bill wonders if there isa bank near here.
Are they doing homework?
→Bill wonders if they aredoing homework.
3. 时态 (时态一致性)
1). 如果主句的时态是一般现在时,宾语从句的时态根据具体情况来确定,可以是任何时态。例如:
I don't think (that) you are right.
Please tell us where we'llgo fishing tomorrow.
2). 如果宾语从句所陈述的是客观真理,即使 主句用了过去时, 从句仍用一般现在时态。例如
The teacher said that the earth movesaround the sun.
3). 如果主句的时态是一般过去时,宾语从句只能用相应的过去时态(即:一般过去时, 过去进行时, 过去将来时,过去完成时)。例如:
He toldme that he was born in Beijing in 1992.
Hesaid that he would go back to the U.S. soon.
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