一般现在时I take part in the contest.
现在进行时I am taking part in the contest.
过去式I took part in the contest.
I am going to take part in the contest.改成一般现在时,现在进行时,过去式,现在就要.
I am going to take part in the contest.改成一般现在时,现在进行时,过去式,现在就要.
英语人气：103 ℃时间：2019-08-19 14:43:40
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