هل يمكن استخدام would have +verb+ing فى حاله If الثالثه ؟
 

نعم
At the time of the accident ,I was sitting in the back of the car, because Tom's little boy was sitting beside him in front.
If Tom's boy had not been there , I would have been sitting in front.

Without his help, I wouldn't have come.
)Begin with :If he

Without his help,I
wouldn't have come.
Begin with :If it