the nember of,a great deal,a plenty of,a lot of,四者之间的区别

1。the number of 意思为“。的数量”,修饰名词作主语时谓语动词用单数 相似的a nmber of 则表示“许多”,谓语动词用复数。 2。a great deal of “大量的”,修饰不可数名词,谓语动词用单数 例：He has given us a great deal of help A great deal of work has been done to improve the people"s living standard。 与a great deal of 用法相同的有a large amount of 如：He has spent a large amount of momey on his new house。 3。a plenty of 即可修饰可数名词,也可以修饰不可数名词。接可数名词时,谓语动词用复数。接不可数名词时,谓语动词用单数。 例：we have plenty of time。 there are plenty of eggs。 a lot of 的用法与a plenty of 的用法相似,都可接可数名词或不可数名词