ما هو الفرق بين when و while ؟
he was talking on the phone when FARID came
he was shaving when the light went out


it began to rain while we were playing tennis
he entered the room while the teacher was talking


هل الفرق بأن while تأتي بعدها الماضي المستمر و when تأتي بعدها الماضي المنتهي ؟
و إلا أنا غلطان و إلا بالصدفة جاءت هالجمل معي ؟