题目内容
1.为了节能我们应该人走灯灭.
In order to save energy,we shouldturn off the lights as soon as we leave.
分析 turn off the lights as soon as we leave.
解答 答案:turn off the lights as soon as we leave.这里是需要译出我们应该人走灯灭,主句是我们应该关灯,含有情态动词should 应该,后加动词原形,关灯turn off the lights,用as soon as引导的时间状语从句来表达,表示一…就…,主句含有情态动词,从句用一般现在时代替一般将来时,主语we 离开leave,故答案是turn off the lights as soon as we leave.
点评 主将从现是指在时间状语从句和条件状语从句和让步状语从句中,如果主句是一般将来时,从句用一般现在时替代一般将来时.主将从现
一、时间状语从句的主句是一般将来时,那么从句常常用一般现在时.
如:When I grow up,I'll be a nurse and look after patients.
我长大后要当一名护士,照顾病人.
二、如果主句是祈使句,那么从句通常要用一般现在时
如:Don't laugh at me when I make a mistake.
我犯错误的时候不要笑话我.
三、如果主句是含有情态动词的一般现在时,根据需要从句多用一般现在时
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