[Mr.Ahmed EL-hady]

هما 3 حالات رئيسيه
وطبعا معروفين

في حالات تانيه زي كده
If+ present perfect, future/ imperative/ auxiliary verb ( finished actions

If he has done it, we will congratulate him/ congratulate him/ we can congratulate him

او
If+ should+ inf,future/ imperative improbable actions

If Hady should win the race, I will congratulate him/ congratulate him

If+ present simple, present simple present facts

If he gets the prize, he is very nice

او
If+ present continuous,future/imperative/ auxiliary action going on now

If he is playing, I will punish him/punish him/we can punish him
او
present If+ past perfect, would +inf

If I had known her, I wouldn't marry her
او
If+past perfect, would have +p.p past
If I had known the test, I wouldn't have failed