I'm going on a big trip是怎样演变的?

I'm going on a big trip.跟据答句写问句 I'm going on a big trip.改为一般过去时 I am going on a big trip. I'm going to on a big trip和I'm going on a big trip意思一样吗课本说第1句是将来时.OK? I am going on a big big用翻译吗? I'm going to take a trip on a big ship.什么意恃 I'm going on a big trip是怎样演变的? I am (going on a big trip)对括号提问 I am going on a big trip.改为一般疑问句 a big trip,going on,my friend,i am造句 my famly is going on a big trip next week .I’m glad to hear that.的意思My famly is going on a big trip next week I’m glad to hear that。的意思 I'm going on a big trip?什么时态?另外,怎么翻译呢?be doing 不是一般现在时吗 I'm going to cook a big （）on Christmas Day?(在（）里应该填meal还是soon、for) i'm going to have a big meal. I'm going on a trip. I'm going on a trip. I’m going out on a limb I'm a big big