useful前面的冠词用什么
useful和university前面冠词如何用？
useful和university前面冠词如何用？
useful和university都是元音字母u开头，加an
pen的冠词是a还是an？
前面用冠词a，例如：
delved into her schoolbag and brought out a pen.她在自己的书包里翻找着，拿出一支钢笔。
2.He picked a pen from the ground.他从地上捡起一支钢笔。
3.Go and get me a pen please.请你去给我拿支钢笔来。
the stroke of a pen they removed thousands of people from the welfare system.他们大笔一挥，就把成千上万的人排除在福利制度之外。
A dog is the useful animal？
英文里像你这类的介绍物品的句子通常不同the 修饰这个词，而是用不定冠词a或an来修饰，又或者不用冠词，而用这个词的复数形式，就像你这个句子，可以这样说：
1.a dog is a useful animal.
are useful animals.
名词和冠词的搭配总结？
冠词分为不定冠词a/an, 定冠词the和零冠词。根据冠词含义, 冠词和名词的搭配原则,简单总结如下:
1.表泛指的用法有 :
a/an 单数名词（强调数量）
A horse is enough.
the 单数名词（强调整个类别）
The horse is very useful.
零冠词 复数名词/ 不可数名词
Horses are useful animals.
2. 表特指:
The 单数名词/复数名词/ 不可数名词
He put something into the soup.
An apple fell from the tree.
My father went to the doctor for advice.
The book on the desk is mine.
Would you mind turning down the radio a little The baby is sleeping.