Be fun 后接?

Be fun 后接? It must be fun to后接什么 have fun后接什么? be good fun= Cooking is fun?为什么不是funny?fun不是名词吗?funny才是形容词啊!be后不是加形容词吗? That will be fun还是That would be fun that will be fun.要否答 翻译:that would be fun. Fun.的《Be Calm》 歌词 it's fun to be safety can be fun是什么意思 有没有be fun with,be fun to do和be fun doing这些说法? That will be fun中的“be”是什么意思? be good fun等于be什么? He must be fun.何如改成一般疑问句?Must he be fun 还是Is he fun? He must be fun.何如改成一般疑问句?Must he be fun 还是Is he fun? be fun doing 和have fun doing的区别 fun 后必须跟动名词,可不可以用fun+to+动词?