I am learning English .I shall see you tomorrow .I can understand_英语解答

I am learning English .I shall see you tomorrow .I can understand you .
I am learning English .
I shall see you tomorrow .
I can understand you .
I must write a letter .
I may come next week .
I did a lot of work yesterday .
I played football yesterday .
①I bought a new coat last week .为什么有的单词变了、哟due不变呢?说说为什么吧例如①还有②
②I have had a letter from Tom .

人气：255 ℃　时间：2020-02-06 04:23:34

解答

这个明显是过去式啊.
英语里表示过去发生的事情,是要采用过去式的.
过去式一般只有动词改变改变的方法是大部分在结尾+ed 个别会有特殊的改变.例如
I play ball.这是一般式
I played ball yesterday.昨天我玩球.这就是过去式,play的结尾+ed谢谢了