You must arrive in good time for the meeting tomorrow.We usually express obligation in English with must or have to: Pulses need to be cooked thoroughly to eradicate the toxins in them.We can use must, have to and need to with a passive phrase:.

We donвЂ™t need to I have to bother making the bed. The maid will do it.ДЄs an alternative to needing, we can use need to or have to: Need you shout so? IвЂ™m right next to you!.The need can be used as a modal verb (without to), usually in negatives and questions: They really should/ ought to have consulted their shareholders first.We can express a past meaning of should and ought to by using a modal perfect: Participle: Having to listen to hip-hop music all evening is my idea of torture!.Infinitive: ItвЂ™s difficult to have to stand by and watch your child in pain.Future: The Council must/ will have to find ways of cutting costs next year.Past: The staff and students at the university had to evacuate the campus.to refer to the past), we usually use have to: As an alternative to must or when we canвЂ™t use must (e.g. They do not change their form in the present tense, nor do they have a past tense or a future form with a will, nor infinitive or participle forms. Must, should and ought to are modal verbs (unlike the need to and have to). This unit looks at the different modal verbs, as well as some common non-modal verbs and phrases, which we use to express these concepts. Grammar Explanation: Modal verbs (2): must, should, ought to, have to, need toД®nglish has a number of different ways of expressing the concepts of obligation and necessity, prohibition, recommendation, and logical deduction. I walked into the showroom and saw the car, and I knew I had to have / must have had it.Lewis must have/ should have been training very hard to develop muscles like that!.If you bring your receipt, there shouldnвЂ™t/ mustnвЂ™t be any difficulty with a refund.The groundвЂ™s soaking outside вЂ“ it must rain/ be raining quite heavily.You wonвЂ™t have to/ had better not tell Shirley what you saw вЂ“ it will only upset her andВ sheвЂ™ll blame you.Our advice is that even people as young as twenty-five should / must consider a personalВ pension.As weвЂ™re getting a lodger, weвЂ™d better / better to have some more keys cut.There wasnвЂ™t anyone on the nightclub door so we didnвЂ™t need to show/neednвЂ™t have shown proof of our age.With our new range of hair products, you mustnвЂ™t/donвЂ™t have to spend hours caring for your hair.We neednвЂ™t / neednвЂ™tВ have booked the tickets in advance there was plenty left.Participants must not have/ need not have been employed by the company in the last four years. This offer is not open to current employees.Polite notice: children do not have to/ are not allowed to play on the grass.We couldnвЂ™t go/ mustnвЂ™t have gone into the disco because we were too young.We have to/ are supposed to put our bags in the lockers, but most people take them intoВ the gym.What a state my shoes are in! They need/ must be repairing.The newspaper shouldnвЂ™t have/ mustnвЂ™t have printed the rumor without concrete evidence.Do you know if we must/ have to have visas for the Caribbean?.We must / have to account for every minute of the day. The landlord ought to/ ought to have taken his responsibilities more seriously.To must/ Having to listen to hip-hop music all evening is my idea of torture!.Underline the best choice of word(s) in bold in each of these sentences. Diagnostic Test: Modal verbs (2): must, should, have to, ought to, need to These verbs cannot be used as their own but, they should be used with the helping verb. These forms are mainly used in your academic writing task 2. The above mentioned modal verbs like must, should, ought to, have to, need to do not change the form of the present tense, nor do they past or the future form. 2.1.3 Other Ways of Expressing Obligation.2 Grammar Explanation: Modal verbs (2): must, should, ought to, have to, need to.1 Diagnostic Test: Modal verbs (2): must, should, have to, ought to, need to.

British council modal verbs exercises