Grammar If Conditional

حالات if

GRAMMAR    If Conditional zero first & second

 0- Zero Conditional: –        If  + present  simple  ….  , . present simple
تستخدم للتعبير عن الثوابت (الطبيعية والعلمية والفيزيائية00)
    *If it rains the weather becomes better.
    *If you heat water it evaporates
1- First Conditional   :-         If  + present  simple  ….  , future
تستخدم الصيغة الأولى للتنبؤ عن المستقبل ولإعطاء وعد                                           
     * If you come early, I’ll give you a present.
      * If you don’t hurry, you won’t catch the train.
      * You’ll be sick if you eat too much.
 2- Second Conditional   :-     If + past simple ….  , would + inf .
  تستخدم الصيغة الثانية للحديث عن شيء غير محتمل الحدوث وللتعبير عن افتراض مخالف للواقع الثانية واخيرافى صيغة النصيحة  * If I had a lot of money, I would buy a car     * What would you do if you had a lot of money?
 *If I were you, I would go to the doctor.
   *If you didn’t go out I would visit you.
     * If I were a bird I’d fly.  

   You should look for another job. (If)
*If I were you, I’d look for another job.   
ملحوظة: were  بدلا من if وتكون were هى الفعل الأساسى
* If I wereyounger, Id play football with you. (Were)
    Were I younger, Id play football with you.
   تستخدم ( Unless ) بدلا من ( If ) …ويظل فعل الشرط مثبتا
* If you didn’t get up early, you wouldn’t catch your plane.        (Unless)
– Unless you got up early, you wouldn’t catch your plane.
* If Ali studied hard, he would join the faculty of medicine.   (Unless)
-Unless Ali studied hard, he wouldn’t join the faculty of medicine.
*If Aisha doesn’t work hard, she will fail the exam.               (Unless)
-Unless Aisha works hard, she will fail the exam.
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