4.4 gerund/to infinitive

I really regret not ______ (prepare) for the test.

Stop ________ (sing) it's really annoying.

I tried _______ (use) the password you gave me, but it didn't work.

Dani didn't remember ______ (inivite) Matt to the party last week and now he's upset with her.

I will never forget ______ (meet) you for the first time.

They stopped ______ (have) a break because they were tired.

We regret ______ (inform) you that your application for the job wasn;t successful.

I wanted to say something but he went on ________ (talk).