TAILIEUCHUNG - Basic english usage oxford_10

Tham khảo tài liệu 'basic english usage oxford_10', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 352-353 264 Compare Can you repair my watch by Tuesday NOT . . until Tuesdays No I ll have to keep it until Saturday. until twelve o clock by twelve o clock 2 3 352 until and to 1 We usually use until or till to talk about time up to . I waited for her until six o clock but she didn t come. NOT I waited for her to six o clock . . . 2 We can use to after from. I usually work from nine to five. OR . . . from nine till five. We can also use towhen we are counting the time until a future event. It s another three weeks to the holidays. OR . . . until the holidays. 3 We do not use until tor space only for time. We walked to the edge of the forest. OR . as far as . . . NOT We walked till the edge of the forest. 4 Until and till mean the same. They are used in the same way except that we prefer until in more formal situations. For the difference between until and by see 351. 353 used to infinitive 1 Used to infinitive is only used in the past it has no present form. We use it to talk about past habits and states which are now finished. I used to smoke but I ve stopped. She used to be very shy. To talk about present habits and states we usually just use the simple present tense see 261 . He smokes NOT -HensesHo-smeke Her sister is still very shy. 265 354 2 Ina formal style used to can have the forms of a modal auxiliary verb questions and negatives without do . Did you use to play football at schoo informal Used you to play football at schoo formal I didn t use to like opera but now I do. informal I used not to like opera but now I do. formal A contracted negative is possible. usedn tto like . . . 3 We do not use used to to say how long something took or how often it happened. I lived in Chester for three years. NOT I used to live in Chester for three years. I went to France seven times. NOT I used to go to France seven times. 4 Note the pronunciation of used ju st and use ju s in this structure. 5 Don t confuse I used to infinitive and I be used to. -ing see 354 . The two

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