以下是几种加and的情况：
1.表并列.如 ：big and fat； Tom and Jerry.
2.表（动作的）承接.如：I take out my key and open the door.【 PS.这个动作可以是一系列的.】
3.固定词组.如：And then?（然后呢?）
下面是“意义”上的划分：
1.和,及,与,同;又
They sang and danced all night.
他们通宵唱歌跳舞.
My mother and father have never agreed on this matter.
我父母在这件事情上从未意见一致过.
2.
然后
She went to the United States in 1960 and has lived there ever since.
她于一九六○年去了美国,此后就一直住在那里.
3.
而且
You must stop,and at once,this sort of behavior.
你必须停止此类行为,而且必须立即停止.
4.
就;所以,因此
Go straight on and you'll see a church.
一直走下去你便可以看到一座教堂.
5.
而,但是
Vegetable oil is digestible and mineral oil is not.
植物油易消化而矿物油则不行.