【正文】
since和 for的區(qū)別: since+時(shí)間點(diǎn)(過去的具體時(shí)間); for+時(shí)間段 since+時(shí)間段 +ago I have learned English for 3 years. since 2020. 現(xiàn)在完成時(shí) We have lived here since 1998. We have lived here for 15 years. \ since 3 years ago. 練習(xí) : 用 since和 for填空 1) ______two years 2) ______two years ago 3) ______last month 4) ______1999 5) ______yesterday 6) ______4 hours 7) ______an hour ago Complete the sentences with “for” and “since”. 1) Jane has been in America __________ last weekend. __________ a week. 2) My brother hasn’t eaten any food __________ 24 hours. __________ yesterday. 3) I have learned English __________ last July. __________ six months. since for for since since for Complete the sentences with “for” and “since”. 4) My parents haven’t phoned me __________ Saturday. ______