《别笑!我是疯狂英语会话书》第4章关键句型41:~have(has) been V-ing .
爱思英语编者按:~have(has) been V-ing .句式表示从过去一直持续到现在的一种状太,根据情况后面可以接since或者or所引导的时间状语。 必须掌握的关键句型:41 41.~have(has) been V-ing .一直~。 I've been watching TV since this morning .从早上开始,我就一直在看电视。 He's been studying for a few hours .他已经学习了好几个小时了。 It's been snowing since last night .从昨晚开始一直在下雪。 基本例句巩固练习1: A:What have you been doing ? B:I've been making a model plane . A:Do you need some help ? B:No , htanks , Mom . I'd like to finish it up by myself .
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