1.If---------------present indefinite/simple present, will Verb 1-----------
If you work hard ,you will succeed in future.
If you are educated ,you will be successful(adjective)
2. If-------------verb 2,--------would verb 1----------
If you worked hard, you would succeed.
If----------was/were/ adjective, ----- would be adjective ..
If you were hard working ,you would be successful.
3.If---- past perfect ,---would have verb 3-----
If you had worked hard ,you would have succeeded
4.If ---had been adjective , --would have been adjective
If you had been hardworking, you would have been successful
If you had been busy , you could not have been able to go there.