If he doesn't go to bed early, he won't get up early.
عندما تكون الجملتين أو أحدهما في المضارع و طلب استخدام If نستخدم الحالة الثانية 
مع ملاحظة جعل الجملة المنفية مثبتة و الجملة المثبتة منفية
He isn't tall, so he can't play basketball. (If)
If he were tall, he would play basketball.
اذا كانت الجملتين أو أحدهما في الماضي نستخدم الحالة الثالثة مع ضرورة جعل المثبت منفي
و المنفي مثبت و نستخدم الجملة التي تلي because بعد If مباشرة
She didn't go to school because she was ill. (If)
If she hadn't been ill, she would have gone to school.
He couldn't catch the train because he walked slowly. (If)
† If he had / hadn't walked faster (slowly), he would have caught the train.
تستخدم by the time -before في وسط الجملة علي أن يأتي قبلها الماضي التام (الحدث الأول) و بعدها الماضي البسيط (الحدث الثاني) وتحذف كلمة then
Nadia cooked the food. Then her visitors arrived. (by the time)
Nadia had cooked the food by the time her visitors arrived.
The thieves left the supermarket. Then the police arrived. (before)
The thieves had left the supermarket before the police arrived.
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عند استخدام After نحذف by the time من وسط الجملة ونأتي بجملة الماضي التام بعد After ثم جملة الماضي البسيط بعدها
Nadia had cooked the food by the time her visitors arrived. (After)
After Nadia had cooked the food, her visitors arrived.
Ashraf saw his marks. Then he ran to tell his father. (as soon as)
† Ashraf ran to tell his father as soon as he saw (had seen) his marks.
Hala learned to use the computer. Then she taught her sister. (After)
† After Hala had learned to use the computer, she taught her sister.
تحذفAlthough من أول الجملة وتوضع However في وسط الجملة
18- Although Hesham wanted to go home, He hadn't finished his work. (However)
Hesham wanted to go home. However, he hadn't finished his work.
جمل عامة
37. I'm happy because I'll visit the pyramids. (looking forward to)
† I'm looking forward to visiting the pyramids.
I was very happy at the Zoo. (myself)
† I enjoyed myself at the Zoo.
39. I don't mind living in the country. (used to)
† I am used to living in the country.
Children go to primary school when they are 6 years old. (age)
† Children go to primary school at the age of 6 years old.
السؤال السابع
