谁知道这几个句子哪里错了？？？( 英语)

You should make the deciden for yourself.

Thanks for you kindness.

The ants are store grain.

you should make the decision yourself.

thank for your kindness.

the ants are storing grain.

You should make the decision by  yourself.

Thanks for   your  kindness.

The ants are storing grain.

1by yourself靠自己拿主意而不是为自己拿主意

2your kindness you是主格，不能做代词

3be+doing为现在进行时 storing

第一句 make the dicision

第二句 your kindness

第三句 are storing

You should make the deciden(decision) for yourself.

Thanks for you(your) kindness.

The ants are store)storing) grain.