MUST - ....is used to express a STRONG obligation or necessity. It often shows us that the obligation comes from the speaker., HAVE TO - ....is used to express obligation or necessity. It shows that the obligation comes from outside the speaker., MUST NOT - We use .... to say that something is not permitted or allowed. (things that are forbidden)., DON'T HAVE TO - We use .....to show that there is NO obligation. You can do something if you want to but it's NOT compulsory.,

modal verbs obligation

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟