在英语可不可以这样写句子?

1、英语句子和汉语句子的语法不同,逗号不可以隔开两个句子.所以不可以直接说 the flight had been cancelled,we were late for xxx.
但是连词可以连结两个句子,用逗号隔开,所以这句话可以说成：the flight had been cancelled,so we were late for xxx.
2、and后面可以引导主句不一样的两个句子.
比如：I like this skirt and my sister likes it,too.