1. Use a when the next word starts with a consonant, or before words starting inu and eu when they sound like you. Use an when the next word starts with a vowel (a,e,i,o,u) or with a mute h.
2. The indefinite article is used to refer to something for the first time or to refer to a particular member of a group or class. Some use cases and examples are given below.
3. * a boy * an apple * a car * a helicopter * an elephant * a big elephant * an itchy sweater * an ugly duck * a european * a university *a unit *an hour *an honor
4. USE
5. Do utilizaacion
6. Use a with singular nouns after the words 'what' and 'such'.
7. Use a meaning 'one', referring to a single object or person, or a single unit of measure. In these sentences using "one" instead of the indefinite article is grammatically correct. It will add emphasis to the number, and contrast with other numbers.
8. EXAMPLES I'd like an orange and two lemons please. I'd like one orange and two lemons please. The burglar took a diamond necklace and some valuable paintings. I can think of a hundred reasons not to come. I need a kilogram of sugar. I need one kilogram of sugar. You can't run a mile in 5 minutes!
9. * Would you like a drink? * I've finally got a good job. * An elephant and a mouse fell in love
10. EXAMPLE.
11. NAMING MEMBERS OF A GROUP Use a with names of jobs
12. * John is a doctor. * Mary is training to be an engineer. * He wants to be a dancer.
13. EXAMPLE
14. Use a with nationalities and religions in the singular.
15. EXAMPLES John is an Englishman. Kate is a Catholic.
16. Use a with the names of days of the week when not referring to any particular day.
17. Use a to refer to an example of something.
18. EXAMPLES The mouse had a tiny nose . The elephant had a long trunk . It was a very strange car .
19. EXAMPLES I was born on a Thursday. Could I come over on a Saturday sometime?
20. EXAMPLES What a shame ! She's such a beautiful girl . What a lovely day !
