Obligation: We have to help others when they need us., I have to go to work next Saturday morning., John has to take care of his sister's cat tonight., No obligation: I don't have to work on Saturdays, Mary doesn't have to invite us to her wedding. She is not such a close friend of ours., Our students don't have to wear a uniform on Fridays., Rules: Students must return the books to the library in perfect conditions., We must leave the classroom perfectly organized after every class., I must send a report every two weeks. , Prohibition: We mustn't steal., Ian mustn't smoke any more or he will get really sick., Students mustn't smoke in the public areas of the campus., Suggestions: Andrew should really see a doctor. he's been sick many days., We shouldn't give money to people in the streets., Anyone should tell Anna the truth.,

MODAL VERBS OF OBLIGATION

بواسطة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟