a great deal of / a large amount of / a bit of +不可数名词单数作主语,谓语动词用单数
a quantity of / a lot of / lots of / plenty of + 不可数名词或者可数名词复数作主语时,谓语动词与名词的数保持一致
quantity of + 不可数名词/可数名词复数,谓语动词用复数
“one of +复数名词+定语从句”结构中,从句一般是修饰复数名词的,所以从句谓语动词用复数形式
当one of之前有the,the only,the more,the very 等修饰时,从句谓语动词用单数形式
there be句型中,谓语动词的单复数形式应与离其最近的主语保持一致。
There is a desk and twety chairs in the classroom