if you want to stay healthy,you should go to bed early.（保持原句意思）

if you want to stay healthy,you should go to bed early.（保持原句意思）
If you want to stay healthy,you should go to bed early.（保持原句意思）
Go to bed early_____ _____ ______ healthy.
If you want to stay healthy,you should go to bed early.（保持原句意思）
Go to bed early_____ _____ _______ _____ healthy.