tailieunhanh - English vocabulary in use upper intermediate and advanced_5

Tham khảo tài liệu 'english vocabulary in use upper intermediate and advanced_5', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | For more material and information please visit 60 Obligation need possibility and probability Obligation Must is an instruction or command that is why we see it on notices must be kept on a lead. Cars must not be parked here. Have got to says that circumstances oblige you to do something. Often the two meanings overlap and there will be a choice of how to express the obligation but not always. I must get my hair cut command to yourself I ve got to get my hair cut. I ve got an interview tomorrow circumstances There s no bus service so I have to walk to work circumstances I really must get a bicycle instruction to yourself The company is obliged to give a refund if the tour is cancelled. You will be liable to pay tax if you work formal legalistic The bank robbers forced him at gunpoint to open the safe. We had no choice alternative but to sell our house we owed the bank 100 000. The death sentence is mandatory for drug-smuggling in some countries automatic there is no alternative Was sport compulsory obligatory at your school No it was optional at mine optional you can choose I am exempt from tax as I m a student free from obligation The negative of must and have got to are formed with need and have to when we mean something is not necessary not obligatory. You don t need to don t have to needn t wash up we ve got a dishwasher. B Need The grass needs cutting badly or wants cutting - informal This plant is in need of water more formal than needs wants The miners died through a lack of oxygen there was none There is a shortage of doctors there are not enough There s a need for more discussion on the matter we feel a need Scale of probability cannot happen to has to happen impossible - unlikely - possible - probable - certain - inevitable Note I ve been given an opportunity to go to Bonn a real chance but Is there any chance possibility you ll be free next week chance is less formal than possibility 120 English Vocabulary in Use For more .