It's been nice meeting you.这句话中的"meeting"是动名词变名词词性吗?

It's been nice meeting you.这句话中的"meeting"是动名词变名词词性吗? meeting是动名词还是名词? It is been nice meeting you.为什么meeting?而不用to meet? Good bye,and it's nice meeting you. It was nice meeting nice meeting you It's nice to meeting you.和It's nice to meet you 的区别?和别人问候应该用 it is nice meeting you.it is nice meeting.两者区别在哪? It's nice()you.要填什么.(for meet) (to meet)(to meeting) 分析下面两个英语句子it was nice meeting you和it was a pleasure meeting It’s time for our class meeting.You must stop ______.是B吗 为什么 Nice meeting