It was nice meeting

It was nice meeting it is nice meeting you.it is nice meeting.两者区别在哪? Nice meeting It is been nice meeting you.为什么meeting?而不用to meet?是it has。 it was a pleasure meeting you it was very nice indeed啥意思? It's been nice meeting you.这句话中的meeting是动名词变名词词性吗? Good bye,and it's nice meeting you.这里为什么要用meeting啊 分析下面两个英语句子it was nice meeting you和it was a pleasure meeting you这两个句子都表示很高兴认识你 我的问题是1.为什么pleasure 前面有一个a 是必须加吗?去掉可以吗 2.这两个句子是主谓宾结构的 It's nice()you.要填什么.(for meet) (to meet)(to meeting) was it a nice day yes ,it was sunny ./no ,it wasn't . It was very nice to have meet you. it was nice of them to call该怎么翻译? I had a really nice meal ,It was delicious. it was nice to get your last letter什么意思 It was nice talking to you.这句话是什么时态? it was nice and lots of fun.i felt just short as it was,our meeting was shshort as it was,our meeting was shaped my life.please aceept my lasting yearingforyou my dear friend,i love you.