关于副词before=at
an earlier time是否需要使用完成时的困惑?1)Our
new camera is more expensive than the one we had before.2)Our
new camera is more expensive than the one we had had before.请教老师:副词before
应该是不能和一般过去时连用吧?before需要用完成...
If you should change your mind, do let me know.除了should do这里可以用其他表达虚拟语气吗?比如,changed your mind 或者your mind be changed或者your mind were changed其实就是问表达将来时候的虚拟语气,用什么?
...ved for a long time?【问题】这是新课标人教版高中英语必修2的句子。1. Is it enough to have survived for a long time? 这个句子是什么意思?2. It 是人称代词还是形式主语?3. enough 是形容词,那么,不定式应该表示结果,还是表示原因?