八年级英语下册 unit 10 i’ve had this bike for three years period 2课件 （新版）人教新目标版(2).ppt

学 习 目 标;学 习 重 点;学 习 目 标;预 习 检 测;预 习 检 测;预 习 检 测;思 考 探 究;【练一练】Amy已经回家乡十天了。

(1) Amy has been back to her hometown since _____________________.

(2) Amy has been back to her hometown for _____________________.

(3) It __________________________ since Amy came back to her hometown.

★持续性动词的现在完成时：若时间状语表示为时间段时，要用持续性动词。如：

I have come here for 3 years. (×) → I have been here for 3 years. (√)

与现在完成时有关的句型转换：

;(4) She borrowed the book two weeks ago. → She _________________ the book since two weeks ago.

(5) Kate bought the radio 3years ago. → Kate _________________ the radio for 3 years.

(6) They left/went one year ago. → They _________________ for a year.