present simple + - If
Ex: If you study hard , you will succeed .
If not : If you do not study hard you won't succeed .
If not = Unless
Unless you study hard , you won't succeed .
You won't get up early unless you sleep early .
If + Past simple → sub + would + inf
Ex: If I slept early , I would get up early .
If I went to Giza . T would see the pyramids
2- ( Giving advice )
1- You should + inf
Ex: You should study hard
2- If I were you , I would + inf
Ex: If I were you , I would study hard .
I'd g et up early . if I were you .
لاحظ I , he , she , it → were
3- You should not + inf
Ex: You shouldn't waste your time .