Question

I am sure of his success.(make it complex)

Answer 1

A sentence which contains subordinate clause or clauses with a subordinating conjunction is a complex sentence..

The complex sentence of given sentence is as follows :-
Answer..
I am the one who is sure of his success.

Answer 2

bonjour dear!

here is your correct answer

I am sure that he will succeed.

I am sure that he succeeds.

hope it helps

#be brainly