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week. ( ) I have had the book for a week. (√ ) 我買這本書一周了。clock now. I have been here for two hours. 單元語法聚焦十 4.常用的 since句型: (1)since+從句 (常用一般過去時(shí) ) 如: The Greens have lived in Beijing since they moved to Beijing from Paris. 自從他們從巴黎搬到北京后,格林一家一直住在北京。s 10 o39。 語 法 精 講 單元語法聚焦十 Tony has taught English in our school since he came to China last year. 自從去年來到中國,托尼就在我們學(xué)校教英語。ve had this bike for three years. since和 for的用法 現(xiàn)在完成時(shí)常和 since或 for引導(dǎo)的時(shí)間狀語連用,此時(shí)的謂語動詞要用延續(xù)性動詞。ve had this bike for three years. 單元語法聚焦十 單元語法聚焦十 語 法 精 講 語 法 精 練 Unit 10 I39。如: Tony has