Could you please check these few examples? Thank you very much, Writeacher.

Question

1) It is likely that he will pass his driving test.
He is likely to pass his driving test.
He should pass it.
2) I'm unsure that (if) I will pass it.
I might pass it.
It is possible that I will pass it.
I may pass it.
3) It is possible for me to pass it (??).
4) I have no credit on my phone. I need to top it up.

Answer 1

All looks good except that first sentence in #2.

I'm unsure if I will pass it.