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    فاعدة ifزحالتها الثلاث

    شادي ابوالعلا
    شادي ابوالعلا

    عدد المساهمات : 156
    تاريخ التسجيل : 14/11/2010
    العمر : 23
    الموقع : shapap.a7larab.net

    فاعدة ifزحالتها الثلاث Empty فاعدة ifزحالتها الثلاث

    مُساهمة  شادي ابوالعلا في الخميس مارس 24, 2011 11:00 am

    قاعدة If

    قاعدة If لها ثلاث حالات ..

    الحالة الأولى:

    If + Present Simple, will + infinitive.

    Ex. If he studies hard, he will succeed.

    - تستخدم لحدث مطابق للواقع, أي أن الشخص يذاكر بالفعل, و لكي نربط مذاكرته في الحاضر بالنتيجة في المستقبل نستخدم الحالة الأولى.





    الحالة الثانية:

    If + Past Simple, would + infinitive.

    Ex. If he studied hard, he would succeed.

    - تستخدم للتعبير عن إفتراض في الحاضر, أي أن الشخص لا يذاكر في الحاضر و لكننا نفترض أنه إن يذاكر في الحاضر, سوف ينجح.





    الحالة الثالثة:

    If + Past Perfect, would have + P.P.

    Ex. If he had studied hard, he would have succeeded.

    - تستخدم للتعبير عن إفتراض في الماضي, أي أن الشخص لم يذاكر في الماضي و أنه رسب. بمعنى أنه لو كان قد ذاكر لكان قد نجح.



    Exercise



    1- He studies hard. He will succeed. (Join)

    If he studies hard, he will succeed.



    2- Factories close. Many people lose their jobs. (Join using: If)

    If factories didn’t close, many people wouldn’t lose their jobs.



    3- Facories closed. Many people lost their jobs. (Join using: If)

    If factories hadn’t closed, many people wouldn’t have lost their jobs.



    ملاحظات: في الحالات الثانية و الثالثة نفترض عكس الواقع.




    Conditional Clauses
    * Formation : The three principal sentence patterns using ( if ) or ( unless ) are :

    - If ( Present simple ),…will / shall + infinitive.

    - If ( Past simple ),…would + infinitive.

    - If ( Past perfect ),…would + have + P.P.



    N.B. - If the if-clause is in the present simple, the result clause will also be in the

    present simple, provided that the sentence is expressing a fact.



    - For unlikely or improbable conditions, use ( were ) instead of (was).

    - Sometimes conditions are expressed by inversion with the use of

    ( Were / Had / Should ) + Subject…

    --------------------------------------------------------------------------------------------------------

    Examples


    1-If you invite her, she ( come ).

    *If you invite her, she will come.

    2-If it remained fine, we ( go ) for a swim.

    *If it remained fine, we would go for a swim.

    3-Unless you guide me, I ( be ) quite at a loss.

    *Unless you guide me, I will be quite at a loss.

    4-If I ( be ) you, I wouldn’t apologize.

    *If I were you, I wouldn’t apologize.

    5-Were I rich, I ( buy ) an aeroplane.

    *Were I rich, I would buy an aeroplane.

    6-Should they arrive late, it ( be ) difficult to find them room.

    *Should they arrive late, it would be difficult to find them room.

    7-Had I studied harder, I ( pass ) the test.

    *Had I studied harder, I would have passed the test.

    8-If metals are heated, they ( expand ).

    *If metals are heated, they expand.

    9-I would be pleased if you ( come ).

    *I would be pleased if you came.

    10-If I had met him, I ( tell ) him the truth.

    *If I had met him, I would have told him the truth.

      الوقت/التاريخ الآن هو الجمعة أغسطس 07, 2020 3:56 pm