Let’s go and have a drink

Let's go and have a drink
下面两句话可以吗：
Let's go to have a drink
Let's go to drink some

Let's go to drink something.
Let's go to have a drink .
Let's go and have a drink .
从语法上来说都是正确的.而且go to do sth 经常会用 go and do sth这种结构替代.
但是口语中,一般会说Let's go for a drink.