Which sentences are correct

[mahbub]

Dear Alan

I wonder if you help me out which sentences are correct.

1 I would like to thank you
2. I would like to thank to you
3. I would like to thank you of all
4. I would like to thank all of you
5. I would like to thank the organizer of this function

Thanks a lot

mahbub

[Alan]

1,4,5.