题目内容

4.Galileo said that the earth ________around the sun.(  )
A.goB.wentC.would goD.goes

分析 伽利略说地球绕着太阳转.

解答 答案:D.这里that引导的宾语从句在句中作为said的宾语,从句表达的是客观事实(地球绕着太阳转)用一般现在时,主语the earth三单,故goes,故答案是D.

点评 宾语从句的时态问题.
1)当主句的谓语动词是一般现在时时,其宾语从句的时态可以是任何适当的时态.所以,宾语从句的时态应根据实际情况而定.eg.
 She says (that) she will leave a message on his desk.她说她要在他桌子上留个便条.
(从句是一般将来时) 
2)当主句的谓语动词的时态是一般过去时的时候,其宾语从句的时态一般要用任一适当的过去时态.eg.
He said (that) they were having a meeting at that time.他说他们那时正在开会.
(从句是过去进行时) 
但是当宾语从句是表达客观真理和规律的句子时,其时态仍旧用一般现在时.eg.
The teacher told us(that) nothing is difficult if we put our hearts into it.
老师告诉我们世上无难事,只怕有心人.
She said(that) her father is twenty-eight years older than her.
她说她父亲比她大二十八岁.

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