改正下列句子中的错误,

1.Don’t tie your horse on the tree.om 改为“to”
2.An accident was happened to him yesterday.“was”去掉
3.The rain stopped us to come in time “to come”改为 “from coming”.“from”可以省略
4.He has done a lot of works.“work”改为“work”
5.I'll go to see you after a few days.after改为“in”
6.I'll give you two week's time to finish the work.two week's time 改为“two weeks”