问一个很简单的英语知识动词的原型 过去式 和过去分词 分别在什么情况下用 我对英语什么也不懂

动词原型一般用在祈使句；一般现在时的复数人称或第一人称；或情态动词can,could,may,need,must等的后面.
如 don't touch me, let's go
I want to come back home. they need some book. I like it.
I can complete it.
过去式用在刚刚发生或过去某个时间点发生的动作
I comleted my homework this afternoon.
过去分词用在现在完成时,过去完成时,以及被动语态,定语修饰中的被动语态等情况下,如：
I have completed my homework.
I had completed my homework before I had dinner.
the baby was taken to my home(by...).
I like this book signed by the autho

1.动词的原型一般使用在一般现在时中，但要注意第三人称单数时应在动词改为第三人称的形式.
如：I like oranges very much.He likes oranges very much.
2.动词的过去式使用在一般过去时中，没有人称的差别。一般在动词原型后加ed. 但仍有许多不规则变化。
如：play-played go-went
3.动词的过...

不规则动词
动词原形（一般现在时） 动词过去式（一般过去时） 动词过去分词（完成时、被动语态）
1 am,is was been
2 are were been
3 beat beat beaten
4 become became become
5 begin began begun
6 blow blew blown
7 b...

动词原形是用在现在进行时，比如see,在句子I am see a movie now.Now是现在的意思，所以用动词原型。单词see的过去式是saw，过去式就是不是现在，是昨天，前天，甚至几年前的意思，句子I saw a movie yesterday.Yesterday是昨天的意思，所以用过去式。这是我的回答，谢谢！！！...