there are't enough bues.和there isn't enough parking.为什么前面用ar
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there are't enough bues.和there isn't enough parking.为什么前面用are后面用is?
there be+某物+某地 表示“在某地存在某物”,be要根据其后面的名词的数来决定其形式is / are.如果其后面的名词是不可数名词或可数名词单数,be就用单数is,如果是复数形式,就用复数动词are;若是并列成分,there be 的采用就近原则.例如:
There are't enough buses.bus是复数形式,所以动词be用复数形式are;
There isn't enough parking.parking是不可数名词,表示“停车位”,所以动词be用单数形式is.
There are some apples and milk on the desk.(可数名词复数在前,用are)
There is some milk and apples on the desk.(不可数名词在前,用is)
There are't enough buses.bus是复数形式,所以动词be用复数形式are;
There isn't enough parking.parking是不可数名词,表示“停车位”,所以动词be用单数形式is.
There are some apples and milk on the desk.(可数名词复数在前,用are)
There is some milk and apples on the desk.(不可数名词在前,用is)
there are't enough bues.和there isn't enough parking.为什么前面用ar
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if there isn't enough fresh air 同义句
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there aren't enough 造句
用形容词比较级填空1.There isn't enough sugar in this.I perfer _______
aren't enough和isn't enough的区别