go on a picnic什么意思

go on a picnic和have a picnic意思一样吗? go on a picnic和have a picnic什么区别啊? ＿,we shall go on a picnic go for a picnic的意思 go on a picnic 和go for a picnic那个对? Let's go on a picnic tomorrow 同一句转换 （ ）（ ） going on a picnic go on a picnic等于have a picnic,have a trip等于take a trip Let's go on a picnic .That'going to_____ They often go out （ ）a picnic on Sundays. --Shall we go on a picnic this weekend? Let us go out for a picnic on Sunday是什么意思 if we go for a picnic ____ on the weathe