Can someone help me to correct these sentence.

[scott833]

1) I usually don't zip my jacket all the way, i will only zip it halfway.
2) Your bag is unzip.
3) The zip of your bag is not zip properly, it is only halfway.

[TheParser]

1) I usually don't zip my jacket all the way, i will only zip it halfway.
2) Your bag is unzip.
3) The zip of your bag is not zip properly, it is only halfway.

***NOT A TEACHER***Maybe: (1) I usually don't zip my jacket all the way up, only halfway. (2) Your bag is unzipped. (3) Your bag is not completely zipped. It is only halfway up. Thank you.

[Nightmare85]

Just some other advice:
Can someone help me to correct these sentence

You do not need the "to" when you use "help".

Please help me clean my room.
Can you help me correct these sentences?
Help me learn to drive.

Cheers!