一条英文选择题
George’s father will reward him with sixpence when he ____ his homework。 A finishes B finished C has finished D will finish
之所以选c,是要强调"完成功课"在奖赏之前,时间\条件状语从句中除了用一般现在时外,还可以用现在完成时表将来。 用现在完成时是强调从句动作发生在主句谓语动作之前。
Don't get off the bus untill it has stopped。He will not be allowed to leave the hospital af...全部
George’s father will reward him with sixpence when he ____ his homework。 A finishes B finished C has finished D will finish
之所以选c,是要强调"完成功课"在奖赏之前,时间\条件状语从句中除了用一般现在时外,还可以用现在完成时表将来。
用现在完成时是强调从句动作发生在主句谓语动作之前。
Don't get off the bus untill it has stopped。He will not be allowed to leave the hospital after he has completely recovered。
。收起