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One day, I was reading a book and eating an apple. I had read this book twice before.
一天，我正边吃苹果边看书。这本书我已经读过两遍了。
Suddenly, a book fell off bookshelf and hit me on the head. I saw a little rat on the top of the shelf. But,it ran away immediately. I got angry with this rat. I took a bottle of liquid medicine to kill the rat. I put the liquid medicine on the apple and put the apple in the corner. I sat quietly staring at the apple. Then the rat found this apple. The rat died before it ate up the apple. I felt very proud.
突然，一本书从书架上掉了下来，砸中了我的头。我看见书架顶上有一只小老鼠，但是它很快就逃走了。我很生气，便拿来一瓶灭鼠药想要毒死它。我把洒了药水的苹果放在墙角，静静地盯着苹果。之后，老鼠发现了苹果。老鼠还没吃完苹果，就死了。我感到非常自豪。
上面介绍的都是过去式和过去分词的不规则变化。实际上，大多数动词的过去式和过去分词的变化都是规则的，也就是动词原形+ed。1.一般情况→词尾+ed。work→worked 2.以不发音字母e结尾→词尾+d。live→lived 3.以“辅音字母+y”结尾→变y为i，再+ed。study→studied 4.以重读闭音节结尾，且末尾只有一个辅音字母→双写词尾+ed。stop→stopped
一天，我正边吃苹果边看书。这本书我已经读过两遍了。
Suddenly, a book fell off bookshelf and hit me on the head. I saw a little rat on the top of the shelf. But,it ran away immediately. I got angry with this rat. I took a bottle of liquid medicine to kill the rat. I put the liquid medicine on the apple and put the apple in the corner. I sat quietly staring at the apple. Then the rat found this apple. The rat died before it ate up the apple. I felt very proud.
突然，一本书从书架上掉了下来，砸中了我的头。我看见书架顶上有一只小老鼠，但是它很快就逃走了。我很生气，便拿来一瓶灭鼠药想要毒死它。我把洒了药水的苹果放在墙角，静静地盯着苹果。之后，老鼠发现了苹果。老鼠还没吃完苹果，就死了。我感到非常自豪。
上面介绍的都是过去式和过去分词的不规则变化。实际上，大多数动词的过去式和过去分词的变化都是规则的，也就是动词原形+ed。1.一般情况→词尾+ed。work→worked 2.以不发音字母e结尾→词尾+d。live→lived 3.以“辅音字母+y”结尾→变y为i，再+ed。study→studied 4.以重读闭音节结尾，且末尾只有一个辅音字母→双写词尾+ed。stop→stopped