a lot of与lots of在意义和用法上相同，都是起形容词作用的词组，后接可数或者不可数名词，相当于many或much。

二者区别

1.lots of和a lot of可以当做定语，即当做many或much那样来使用。因此，谓语动词的数不是依据lot和lots来决定，而是依据of所引导的名词的数来决定。

2.a lot of=lots of表示”许多的“，可以修饰可数名词复数和不可数名词。

3.a lot是表示程度的一个短语，意为”很，非常“。

4.书面语用a lot of较多，口语用lots of较多。

a lot of 例句

1.The boy had a lot of pocket money.

这男孩有许多零用钱。

2.I think this new system has a lot going for it.

我认为这一新体系有许多有利之处。

3.There is a lot of flu going round at the moment .

现在流感传染很广。

4.A road bridge has to carry a lot of traffic .

高架路得承载很多车辆。

5.The strike has caused a lot of misery .

罢工给我们带来了极大的不幸。

lots of用法例句

1.He wrote lots of poems in his life.

他一生中写了许多诗。

2.There are lots of pear trees near the house .

屋子近旁种着许多梨树。

3.There are lots of troubles in the world !

世界上不幸的事真多呀！

4.There will be lots of action around these parts .

这儿战事一定会很频繁。

5.She had lots of friends.

她有许多朋友。