short quiz must and should

... thorough analysis of the errors committed by Vietnamese students of English in using English modal verbs can, could, may, have to and must An analysis specializing in errors in using English modal verb ... the errors in using modal verbs can, could, may, , must and semi -auxiliary verb have to by Vietnamese learners at TL secondary school - Find the major causes and sources of their errors and - ... teaching and learning: can, could, may, have to, and must 1.3 SCOPE OF THE STUDY Within the limitation of a graduation thesis, I would like to deal with modal verbs can, could, may, have to and must...

... sentence are kept in short-term memory and accessed first All the entities that are further back are more likely to be in long-term memory (and not in shor~-term memory) and accessed second They ... m o r y of most mini and main frame computers It consists of a small, very fast memory called short-term memory (STM); a relatively larger main or operating memory (OM): and a vast store of general ... influenced by the short-term~ long-term memory model of Kintsch and van DiJk (19~8) and e s p e c i a l l y its leading edge strategy ~tructure ~f ~ memg/~ Analogically, human memory can be conceptualized...

... how economists and sociologists can and should take complementary approaches to these issues When I consider the potential relationship between economists and sociology, I recall an aphorism ... More precisely, my interest is in economic sociology, which I will define as the sociology of economic actors and institutions; see the two Handbooks of Economic Sociology by Smelser and Swedberg ... mainstream economics when it is supported, but also to defend mainstream economics when it seems under attack My experience is that some economists (and some sociologists!) perceive economic sociology...

... quen nhiều người B Khi nói khứ dùng must have (done) can’t have (done) Xét ví dụ sau: George đứng bên nhà bạn anh Anh nhấn chuông cửa ba lần không trả lời They must have gone out Họ vắng hết (otherwise ... o’clock now and he’s never late He can’t be coming Brian nói anh định đến trước 30 Bây 10 mà anh không trễ Anh đến They haven’t lived here for very long They can’t know many people Họ sống không ... so you can’t be hungry) Bạn dùng cơm trưa Bạn đói (Mọi người thường đói sau bữa ăn Bạn vừa ăn xong, bạn đói được) Brian said he would definitely be here before 9.30 It’s 10 o’clock now and he’s...

... Chúng ta dùng must để diễn tả chắn điều trở thành thật: You’ve been travelling all day You must be tired ( Travelling is tiring and you’ve been travelling all day, ... can’t be hungry) Bạn dùng cơm trưa Bạn đói (Mọi người thường đói sau bữa ăn Bạn vừa ăn xong, bạn đói được) Brian said he would definitely be here before 9.30 It’s 10 o’clock now and he’s never late ... her job She does the same thing everyday Carol nhàm chán công việc cô Cô ngày làm việc Chúng ta dùng can’t để nói cảm thấy việc xảy ra: You’ve just had lunch You can’t be hungry already (People...

... toàn” nên dùng have to B Bạn dùng must để nói hay tương lai, must không dùng cho khứ: We must go now Chúng ta phải We must go tomorrow (but not “We must go yesterday”) Ngày mai phải Bạn dùng have ... working tomorrow, so I don’t have to get up early Sáng mai không làm việc, dậy sớm D Bạn dùng have got to thay cho have to Vì bạn nói: I’ve got to work tomorrow hay I have to work tomorrow Sáng ... nghi vấn câu phủ định, ta thường dùng do/does/did: What I have to to get a driving license? (không nói “What have I to do?”) Tôi phải làm để có lái xe? Why did you have to go to hospital? Tại bạn...

... sớm D Bạn dùng have got to thay cho have to Vì bạn nói: I’ve got to work tomorrow hay I have to work tomorrow Sáng mai phải làm việc When has Ann got to go? hay When does Ann have to go? Khi Ann ... do/does/did: What I have to to get a driving license? (không nói “What have I to do?”) Tôi phải làm để có lái xe? Why did you have to go to hospital? Tại bạn phải bệnh viện? Karen doesn’t have to work on ... phải Bạn dùng have to cho I had to go to the hospital (past) Tôi phải đến bệnh viện Have you ever had to go to hospital? (present perfect) Bạn phải bệnh viện chưa? I might have to go to hospital...

... sớm D Bạn dùng have got to thay cho have to Vì bạn nói: I’ve got to work tomorrow hay I have to work tomorrow Sáng mai phải làm việc When has Ann got to go? hay When does Ann have to go? Khi Ann ... do/does/did: What I have to to get a driving license? (không nói “What have I to do?”) Tôi phải làm để có lái xe? Why did you have to go to hospital? Tại bạn phải bệnh viện? Karen doesn’t have to work on ... phải Bạn dùng have to cho I had to go to the hospital (past) Tôi phải đến bệnh viện Have you ever had to go to hospital? (present perfect) Bạn phải bệnh viện chưa? I might have to go to hospital...

... You’ve been travelling all day You must be tired ( Travelling is tiring and you’ve been travelling all day, so you must be tired) Bạn du lịch ngày Chắn hẳn bạn mệt (Đi du ... Chúng ta dùng can’t để nói cảm thấy việc xảy ra: You’ve just had lunch You can’t be hungry already (People are not normally hungry just after eating a meal You’ve just eaten, so you can’t be hungry) ... 9.30 It’s 10 o’clock now and he’s never late He can’t be coming Brian nói anh định đến trước 30 Bây 10 mà anh không trễ Anh đến They haven’t lived here for very long They can’t know many people...

... curves for the growth indices of the ’young’ (< 60 years) and the ’old’ (> 65 years) rings (cambial age) In the final stage, the curve of the growth indices IC0 was modelled according to the available ... structure and on the rooting of the trees owing to the impermeability of the subsoil Of the recent dendroecological studies that demonstrate a long-term increase in the wood production rate of forest ... (dendroecology) is mainly applicable to mountain coniferous species, especially in the case of open stands in which competition among the trees is low The high number of pointer years found in the...