go on a barbecue 和go to a barbecue应该都可以吧?它们之间有区别吗?

go on a barbecue 和go to a barbecue应该都可以吧?它们之间有区别吗? The sun has risen ,let’s go to have a barbecue.为什么一定要用现在完成时, The sun _____ （rise）,let’s go to have a barbecue.用什么时态? barbecue 和grill 有何区别啊? 英语作文 A barbecue We want to have a barbecue we----- ------ to have a barbecue barbecue It is fun to have a barbecue on a sunny day.请改成感叹句~ __________ it is to have a barbecue in a park! We are going to have a barbecue _______ it r.. It is nice to have a barbecue,too. We are going to have a barbecue _______ it rains .