I need help to understand – with examples – of the 1) simple, 2) compound, and 3)complex sentences. Would it be possible to reply with one topic and

/in /by

I need help to understand – with examples – of the 1) simple, 2) compound, and 3)complex sentences. 

Would it be possible to reply with one topic and all in the same tense? It would be easier for me to understand.

"Get 15% discount on your first 3 orders with us"
Use the following coupon
FIRST15

Order Now