一,写出下面动词的过去式,过去分词和现在分词 1.catch 2.stand

题目

一,写出下面动词的过去式,过去分词和现在分词 1.catch 2.stand
一,写出下面动词的过去式,过去分词和现在分词
1.catch
2.stand
3.hurt
4.slip
5.fall
二,连词成句
1.think,you,that,better,do,had,your,i,homework
2.help,let,you,me
3.himself,has hurt,he
4.afraid,i,that,can,get,am,i,not,up
5.slippd,he,hownstairs,fell,and
要写出下面动词的过去式，过去分词和现在分词啊

答案

一、
caught caught catching
stood stood standing
hurt hurt hurting
slipped slipped slipping
fall fallen falling
二、
1、I think that you had better do your homework.
2、Let me help you .
3、He has hurt himself.
4、I am afraid that i can not get up.
5、He slipped and fell downstairs.