(●'◡'●)ノ♥还是记录下英语完成时w 现在完成时用来表示之前已发生或完成的动作或状态,其结果的确和现在有联系也可表示持续到现在的动作或状态。 already(肯定,句中),yet(否定,疑问,句末) 时间段指的是某段时间,而时间点就是指某个时间。since+时间点,for+时间,since+一段时间+ago,since+从句(过去时),It is+时段+since+从句(过去时)。短暂性动词 延续性动词 die → be dead borrow → keep buy/catch → have get up → be up come → be in finish → be over leaver → be away open → be open close → be closed begin → be on become interested in → be interested in