Unit 10 I've had this bike for three years Section A (Grammar-4c) 课件

How long has his son owned the train and railway set

He's owned it since his fourth birthday.

Have you ever played football

Yes, I did when I was little, but I haven't played for a while now.

Grammar 现在完成时态(三) for 和since 的用法 考点 1 现在完成时的“未完成”用法表示动作或状态从过去某时开始，一直延续至今，还可能继续下去。since和for 是现在完成时当中常见的标志词。since “自从……”，for“持续了……”。since 用来说明动作的开始时间，for 用来说明动作延续的时间长度。 Grammar since + 过去的时间点 eg: I have been very sad since the last time. 从上次开始，我一直很伤心。 for + 时间段 eg: Tina has been away from home for five years. 蒂娜离开家已经5 年了。 Grammar Betty ________ hard since last te

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