1. 陈述句充当宾语从句时,用that引导,that无词义,在口语或非正式文体中常省略。 I hope (that) you will enjoy our performance. She told us (that) the score was 2 to 1. 2. 当由一般疑问句充当宾语从句时,用if或whether引导,意为“是否”。 (1) Is it an interest...
7. be able to do sth. 能够做某事 (1)can : can+动词原形,无人称和数的变化。只能用于一般现在时和一般过去时,不能用于将来时。 be able to + 动词原形,有人称和数的变化,可用于多种时态。 (2)can 常指客观上能够;be able to 更侧重于经过努力、克服一定困难有能力做...
11. Recently he has been refusing to do his homework, and instead insists on wasting his time watching DVDs and listening to foreign music. (page 38) 最近,他就是不做作业,而是把时间浪费在看DVD、听外国音乐上。 现在完成进行时 构成:have been doing sth...
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