tailieunhanh - grammar spectrum 3 intermediate with key phần 4

Tham khảo tài liệu 'grammar spectrum 3 intermediate with key phần 4', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 19 Can could be able to may will shall We use can could be able to and may with an infinitive . be go swim She can INFINITIVE swim. 2 ABILITY can could 1. Joy can swim 1 000 metres now. Last year she couldn t swim at all. She ll be able to swim the English Channel soon. When we talk about a person s ability to do something we normally use can negative cannot or can t for present time could for past time and will be able to for future time. In past time we do not normally use could for something that happened on a particular occasion. We use was able to or managed The boat was in difficulties but in the end it managed to reach the port or. it was able to reach. not .it could reach. We use can or may to give permission You can leave your bag here. or. may leave. If we talk about what is allowed in general . not by a particular person we use can People can drive on the roads when they are 17. But official notices often use may BAGS MAYBE LEFT HERE. REQUESTS Can you 1 Could you Ị help me Would you J We use Can you Could you and Would you but not Mayyou when we ask someone to do something. Could and would are more formal and polite than can. OFFERS I ll do it. Shall I do it 3 PERMISSION Can I Could I leave this here May I We use Can I etc. to ask for permission. Note that Could I and May I are more formal and polite than Can I. ru post that letter for you. Shall I open the door We use shall I and I ll to offer to do something. Note that shall I is a question A Shall I open the door B Yes please . No thank you. 1 5 Practice A Look at this table and complete the sentences using can could or will be able to. last year now hopes for the future Joy swim 100 metres swim 1000 metres swim for her club team Mark type 15 words per minute type 30 words per minute work as a secretary Bill lift 25 kilos lift 100 kilos join a weightlifting team Anne speak only a little French speak French quite well work as an interpreter Carol only cook omelettes cook quite well work as a chef