tailieunhanh - OXFORD PRACTICE GRAMMAR 46

OXFORD PRACTICE GRAMMAR-46 sau đây là giáo trình lý thuyết tiếng anh và bài tập áp dụng từ cơ bản đến nâng cao , nhằm giúp các bạn có thể tự mình ôn tập và củng cố thêm về nền tảng kiến thức môn Anh văn , tự tin đạt kết quả tốt trong kỳ thi ngoại ngữ | OXFORD PRACTICE GRAMMAR 46 POSSIBILITY AND CERTAINTY MAY MIGHT COULD MUST ETC A May might and could Rachel Whose bag is that Daniel don t know. It may belong to Maria s friend. Vicky It might be a bomb. It could explode at any moment. We use may or might to say that something is possible or that it is quite likely. We can use them for the present or the future. It may might be a bomb. Perhaps it is a bomb. may might go to the disco tomorrow. Perhaps I will go to the disco. We can use could to say that something is possible. The story could be true I suppose. Possibly it is true. You could win a million pounds Possibly you will win a million pounds. Sometimes could means only a small possibility. It is possible but not likely that you will win a million pounds. In some situations we can use may might or could. It may might could rain later. After may might or could we can use a continuous form be an ing-form . That man may might be watching us. Perhaps he is watching us. Sarah may might be working late tonight. Perhaps she will be working late. I m not sure where Matthew is. He could be playing squash. Possibly he is playing squash. B May might and could in the negative The negative forms are may not might not mightn t and could not couldn t. MAY NOT AND MIGHT NOT Something negative is possible. Daniel may not get the job. Tom might not be in. I mightn t finish the marathon tomorrow. It is possible that I will not finish it. COULDN T Something is impossible. Vicky is afraid of heights. She couldn t climb onto the roof. I m completely unfit. I couldn t run a marathon. It is impossible for me to run it. C Must and can t MUST We use must when we realize that something is certainly true. She isn t answering the phone. She must be out. I had my keys a moment ago. They must be here somewhere. Andrew isn t here. He must be working in the library. CAN T We use can t when we realize that something is impossible. We haven t walked far. You can t be tired yet. Life can t be .