many, much, a lot of, lots of, plenty of 表示“多,许多"的意思
many修饰可数名词 much修饰不可数名词 a lot of,lots of,plenty of,a great number/amount of 可数名词 和不可数名词都可以修饰 many, much常用于否定句和疑问句,但不是绝对的 a lot of,lots of,plenty of, a great number/amount of等则常用 于肯定句 a few, a little 表示“少数,一些”的意思
Have you done much work today? 今天你已经做了很多活吗?疑问句, much修饰不可数名词 I have seen a lot of / lots of / plenty of / a great number of English films. 我已经看了多部英文电影。 a lot of / lots of / plenty of / a great number of 修饰可数名词 I have done a lot of / lots of / plenty of / a great amount of work today. 今 天我已经做了很多活。 a lot of / lots of / plenty of / a great amount of修饰不可数名词 Let's invite a few friends to come with us. 让我们来邀请几个朋友来和我们在一起。肯定句,a few修饰可数名词 There is litle milk left in the fridge. Let‘s go and buy some. 冰箱里几乎没剩什么牛奶了,我们去买些吧。前部分是否定句,little修饰 不可数名词。