英语常见时态(4)
发布时间:2021-06-07
发布时间:2021-06-07
1如何去掉羞怯那层茧
1)This time next day they will be sitting in the cinema.
2)What will you be doing at six tomorrow evening?
4.完成进行时
(现在、过去、将来)完成进行时是(现在、过去、将来)完成时的强调形式,将放在完成时态部分讲述。
三、完成时态
完成时态通常表示已完成或从事的动作。它可分为:
1.现在完成时
(1)现在完成时用来表示对目前状况仍有影响的,刚刚完成的动作(常与yet,already,just连用),或者过去某一时刻发生的,持续到现在的情况(常与for,since连用)。例如:
1)I have just finished my homework.
2)Mary has been ill for three days.
(2)常与现在完成时连用的时间状语有:since, for, during, over等引导出的短语;副词already, yet, just, ever, now, before, often, lately, recently等;状语词组this week (morning, month, year), so far, up to now, many times, up to the present等。例如:
1)I haven’t been there for five years.
2)So far, she hasn’t enjoyed the summer vacation.
3)There have been a lot of changes since 1978.
(3)完成时态可用在下列结构中:
This (That, It) is (was) the first (second…) time +定语从句;This (That, It) is (was) the only (last) + n +定语从句;This (That, It) is (was) +形容词最高级+ n +定语从句。如果主句的谓语动词是一般现在时,从句的谓语动词通常用现在完成时;如果主句谓语动词是一般过去时,从句谓语动词通常用过去完成时。例如:
(1)This is one of the rarest questions that have ever been raised at such a meeting.
(2)There was a knock at the door. It was the second time someone had interrupted