一道初二英语单词填空题.a rainbow (appear) in the sky after the rain yesterday.如题 填入appear.答案是appeared可我认为是appears 雨后彩虹不是一种自然规律麽 = =

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一道初二英语单词填空题.arainbow(appear)intheskyaftertherainyesterday.如题填入appear.答案是appeared可我认为是appears雨后彩虹不是一种

一道初二英语单词填空题.a rainbow (appear) in the sky after the rain yesterday.如题 填入appear.答案是appeared可我认为是appears 雨后彩虹不是一种自然规律麽 = =
一道初二英语单词填空题.a rainbow (appear) in the sky after the rain yesterday.
如题 填入appear.
答案是appeared
可我认为是appears 雨后彩虹不是一种自然规律麽 = =

一道初二英语单词填空题.a rainbow (appear) in the sky after the rain yesterday.如题 填入appear.答案是appeared可我认为是appears 雨后彩虹不是一种自然规律麽 = =
因为后面有yesterday,有时间点.
时间点分为过去的时间,现在的时间,将来的时间,
你要看句子当中是否存在时间点.时态就跟着它变.
如果没有yesterday,那就是填appears.这才表示自然规律.
e.g.I washed my hands before the meal yesterday.
饭前洗手可以说是一个习惯,有了yesterday,就要用过去时;没有,就可以用一般现在时.
【俊狼猎英】