It is obligation - I have to go to scholl, It is probability  - The teacher should know how to operate the computer, It is abillity - I don't think we can increase the safety in the school with CCTV, It is possibility - Students who dislike studying might not pass the exam,

Modal Verbs

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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