Theorie:
Study the information about the indefinite article.
1. We use the article a/an with singular countable nouns when we talk about things in general.
A plane is more comfortable than a train.
A baker sells bread, cakes, pies.
![shutterstock_273123827.jpg](http://resources.cdn.yaclass.at/7a7a8db0-82b0-44b6-9164-f35a5211b4b2/shutterstock_273123827-w300.jpg)
An is used when the word starts with vowel sounds a, e, i, o, u.
Wichtig!
an umbrella
a university
2. We can use a/an after the verbs to have and to be.
She is a photographer. She has a camera.
![shutterstock_2103724124.jpg](http://resources.cdn.yaclass.at/fe627bf0-d4b7-4145-a235-dd69aa6d7d73/shutterstock_2103724124-w300.jpg)
3. We can use both a/an and the before a singular countable noun to represent a class of people, animals, things.
A/The dolphin is more intelligent that a/the shark.
![shutterstock_547308685.jpg](http://resources.cdn.yaclass.at/93f7eeec-9564-4ce8-81a3-f4aa76c3c3ea/shutterstock_547308685-w300.jpg)
We do not use a/an with uncountable or plural nouns.
Would you like some tea?