Question

It is certain that he will come-Change it into Simple & Compound

Answer 1

Answer:

he will surely come

Explanation:

Answer 2

Answer:

Complex: I know what his intention is.

Simple: I know his intention.

We believe what he says.

- We believe his word (or, him)

He wants that I should go aw

- He wants me to go.

That he is honest is known to all

- His honesty is known to all

I know where he was born

- I know his birth-place (or the place of his birth)

It seemed impossible that he could escape

- It seemed impossible for him to escape

Or, His escape seemed impossible.

Hope it helps you