lots of = a lot of 修饰可数名词或不可数名词
There are lots of / a lot of books in our library.There is a lot of water on the ground.
a lot = much放在形容词、副词的比较级前,表示...多的多.如:
He sings a lot / much better than you.
也可以用the lot ,表示"全部".如:Take the lot.He ate the lot.
其它你例的几种是没有的.