英语句子开头什么时候用ed,ing,having done,to do, do形式
你想说的是非谓语动词的用法吧?!ed是动作与主语的关系是被动的,比如:Praised by his teacher,he was so happy。被他的英语老师表扬,他很高兴。ing是动作与主语的关系是主动的,比如:opening the door,he saw the gift。 打开门,他看到了礼物。to do是表将来或目的,比如:To finish the homework,he stay late。为了完成作业,他熬夜了。do应该是祈使句,后面有and,比如:Help him and he'll thank for you。 having done是动作已完成,比如:Havi...全部
你想说的是非谓语动词的用法吧?!ed是动作与主语的关系是被动的,比如:Praised by his teacher,he was so happy。被他的英语老师表扬,他很高兴。ing是动作与主语的关系是主动的,比如:opening the door,he saw the gift。
打开门,他看到了礼物。to do是表将来或目的,比如:To finish the homework,he stay late。为了完成作业,他熬夜了。do应该是祈使句,后面有and,比如:Help him and he'll thank for you。
having done是动作已完成,比如:Having finished the homework,he was allowed to play outside。他已经完成了作业,被允许出去玩。
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