Prepositions of Time
1Công thức
at + clock time/point; on + day/date; in + month/year/season/part of day; for + duration2Giải thích
Giới từ chỉ thời gian: at (giờ, thời điểm), on (ngày, ngày tháng), in (tháng, năm, mùa, buổi trong ngày), for (khoảng thời gian). Không dùng giới từ trước next, last, this, every, tomorrow, yesterday.
Prepositions of time show when something happens. Choice depends on whether the time is a point, a day, or a longer period.
3Khi nào dùng
- Clock times and points (at three o'clock, at night, at the weekend)
- Days and dates (on Monday, on 5 May)
- Months, years, seasons, parts of the day (in July, in 2024, in the morning)
- Durations (for two hours, in an hour)
4Quy tắc cần nhớ
- No preposition before next, last, this, every, tomorrow, yesterday
- In time means early enough; on time means punctually
- American English sometimes drops on before days (Monday)
5Ví dụ
The shop opens at nine and closes at six.
My exam is on Thursday.
Let's meet in the afternoon.
6Lỗi thường gặp
- We meet in Monday. (should be on)
- I'll see you in the weekend. (British English: at the weekend)
- The film starts on 8 o'clock. (should be at)