这句话应该用could还是canRunning ____ also help people to relax

这句话应该用could还是canRunning ____ also help people to relax managed to的否定形式如这句话中的could not 用managed to 来代替应该怎么改?I could not get into town this morning. I wish I could/can?后面应该用could还是can? 英语翻译这句话应该用blamed还是to blame Could be there anything different?这句话有错吗?是应该是 Could be there,还是 Could there be 关于,could you become my friend这句话对人说的时候到底是用could还是can啊如果分情况的话,最好解释一下 no one could help him的反义疑问句这句话的反义疑问句应该是什么, 这句话中的“分量”应该用“分量”还是“份量”呢?这句话中“分量”是该用“分量”还是“份量”? 英语小白求助时态问题,比如Researchers found humans can(could)...应该用can还是could? 这句话中could表示的是虚拟语气还是委婉?You and me could write the best romance. could I 提问 如何反问,如何回答?用could开头表示语气婉转的一般疑问句,应该怎样反问,cant还是?回答时,是 yes I can.还是,yes I could/重点就在于 是 can 还是could 我们中考有这一道题,当时我好像做错 could you please give me some suggestions for vacation spots?在这句话中为什么用for 关于某方面的建议不是应该用on How could that be possible.这句话that是第三人陈啊,应该后面用 is 才对啊 为啥用be I hope(wish) everyone could be better这个地方是应该用HOPE 还是WISH呢 Could you please advise the repair progress of the following parts we sent to you before请问这句话有语病吗?..of..后的从句应该修饰的是那个词啊?是parts还是progress? it could‘t be better 这句话是太糟糕的意思还是一切顺利 The doctor did all he could to save the wounded boy.这句话语法上有错误吗?是不是应该在he could后面加个do呢? fight his teacher again so that he could finally become champion.这句话前面是一般现在时按照语法应该使用can ,为什么使用的could