j1v
j1v[幼儿小学教育]人教新课标高中英语必修一重点词组句子归纳总结
过去完成时 4. He taught us during the lunch breaks and the evenings when we should have been asleep. ( should have done 本应做而未做) needn’t have done 本不应做而 做了 can’t have done 过去不可能做过 高中英语非谓语动词十一个重要考点 一、考查不定式