id : with verbs that end with D or T as the final consonant
this one is obvious since you can't pronounce two d's after in
succession or a d after a t so you have to ad the i sound
t : with verbs that end with the consonants f k p s ch sh x
d : with the rest of the verbs
حاول تنطق الحروف الخاصة ب t في شكل كلمة واحدة باه تحفظهم