I know that he is honest.   = I know him to be honest.

I know the boy. (Passive) = The boy is known to me.

I know where he was born. (Simple) = I know his birth place

I live in Bangladesh.

I lost this pen yesterday. (Complex) = This is the pen which I lost yesterday.

I ordered for a cup of tea.

I prefer milk than tea. = I prefer milk to tea.

I prefer writing to reading.

I saw his pulse. = I felt his pulse.

I shall comply with your request.

I shall go to the cinema after I complete my work.

I shall have done the work before you come.

I shall have finished long before you get back.

I shall inquire into the matter.

I sided with him.