i don't know what i did wrong
不是 主句过去式,从句也用过去时吗
人气:447 ℃ 时间:2020-04-13 02:49:05
解答
主句是一般现在时的时候,从句根据具体需要去决定时态.本句是“我现在知道当时做错了”是不是主句用了过去式,从句一定变,而主句不是过去式,从句也可以是过去式主句用了过去式,从句如果表示的是客观真理的话,仍然用一般现在时,否则就一定变。而主句不是过去式,从句也可以是过去式的。
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