no longer不再part with放弃，交出as for至，关 清理； clear outsoft toy软体玩具To be honest说实在话check out 察看with great interest带着极大的兴趣search for寻找according to依据Grammar FocusGrammar focus根据课本内容, 完成下列句子。 1. 那边那辆自行车你骑了多久了？ __________ have you had that bike over there? 2. 我已经骑了三年了。 I’ve had it ______________.How longfor three years3. 他的儿子拥有火车和轨道多久了？_________________________ the train and railway set? 4. 他从四岁生日时就有了。 He’s owned it ________________ _________. since his fourth birthdayHow long has his son owned5. 你踢过足球吗？ ______________ played football?6. 是的，当我小的时候踢过。但是现在已经有好一阵没有踢过了。 Yes, I did when I was little, but I _____________ for a while now.Have you everhaven’t playedTo learn the usage of for and since1. --How long have you had that bike over there? --I’ve had it for three years（since three years ago）. The transition between a transitoryverb and a continuous verbObjectivesfor 和 since 在现在完成时中的应用for与since都能与现在完成时连用，但区别较大：（1）for后须接“ |
