In Phrasal verbs^x, Tenses^x, Difference between^x

1. come forwarda) During our English classes (or lessons?) no one wants to come forward and answer the teacher's questions.--lessons is better.b) They've come forward with ambitious plans and ideas. (VS "came forward...")---come up with is better here.Choosing simple past or present perfect...

Hello there! I've been testing myself on some phrasal verbs recently, and as a part of the test I create my own sentences with phrasal verbs I get acquainted with. If you could just take a look at my sentences and give me some feedback, or simply correct them and gime me an explanation, I would...