since的四種用法
2007-01-01 00:00
11.13 since的四種用法 | ||
? | 1) since +過(guò)去一個(gè)時(shí)間點(diǎn) (如具體的年、月、日期、鐘點(diǎn)、1980, last month, half past six)。 I have been here since 1989. 2) since +一段時(shí)間+ ago I have been here since five months ago. 3) since +從句 Great changes have taken place since you left. Considerable time has elapsed since we have been here. 4) It is +一段時(shí)間+ since從句 It is two years since I became a postgraduate student. |
- 相關(guān)熱點(diǎn):
- 英語(yǔ)語(yǔ)法
- 英語(yǔ)閱讀