He is honest.S+V+ adj
I believe [that he is honest.]
=== I believe him to be honest.=== OC ===to be + adj
I thought the idea to be practical.=== to be + adj=== OC
===I thought [that the idea is practical.]that + S + V +adj
He is honest.S+V+ adj
I believe [that he is honest.]
=== I believe him to be honest.=== OC ===to be + adj
I thought the idea to be practical.=== to be + adj=== OC
===I thought [that the idea is practical.]that + S + V +adj