might和could在表示猜测时可以互换吗?比如:ThesoccerballbeJohn'sorTony's.Theybothplaysoccer,don'tthey?句子当中是否两个都能用呢,意思一样吗?再有:Ican'tfindmybackpack.Itbestillatschool.应该

Question

might 和could 在表示猜测时可以互换吗?
比如:The soccer ball _____be John's or Tony's .They both play soccer,don't they?句子当中是否两个都能用呢,意思一样吗?
再有:I can't find my backpack.It _____be still at school.应该用might 还是could 还是两者都能用?

Answer 1

两者在肯定居句意思一样,在否定句中,后者表示肯定地猜测：不可能是
两者区别在此.