There are enough pens for everyone,跟There is enough dessert for everyone .

问题描述:

There are enough pens for everyone,跟There is enough dessert for everyone .
为什么后面的的句子用is而不是are?

There is 还是There are,取决于后面的主语是单数还是复数;

前一句中pens是复数,所以用there are;后一句dessert是不可数名词,视为单数,用there is