You would use "a" before "useful" when it is followed by a consonant sound. For example, "a useful tool." You would use "an" before "useful" when it is followed by a vowel sound. For example, "an useful addition."
"École" in French is feminine, so the correct article to use before it would be "la" (feminine article) to say "l'école."
You use the article a when followed by a word that starts with a consonant. You use an as an article followed by a word which starts with a vowel.1) Your mother is a funny woman.2) An octopus is an interesting animal.
You would use the article "the" before the words "summer season." For example, "I love the summer season for its warm weather and long days."
The article before a vowel is "an". For example, "an apple" or "an umbrella".
Article before the word useful
british do not use any article before hospital. but americons sometimes use article "the" before hospital.
You would use "a" before "useful" when it is followed by a consonant sound. For example, "a useful tool." You would use "an" before "useful" when it is followed by a vowel sound. For example, "an useful addition."
You use the article "a" before a word that starts with a consonant, and you use the article "an" before a word that starts with a vowel. you use an a if there is a vowl after the a. if there is not a vowl after a then it just stays a
why we use an before hotel
I've never seen that kind of article before in a newspaper.
Certainly !... The preparation was complete.
You don't. In proper grammar, you use "a" before Europe.The indefinite article an is shortened to a before words beginning with a consonant sound. European begins with a consonant sound called the y-glide, and so we say a European.
Use the Rydberg formula. A useful article about this is on Wikipedia. It is called "Hydrogen spectral series".
Pretty much the same as before. To see what we do, read the article link. Hope this helps.
Not in English...in French, for example, you would, but not in English.
"École" in French is feminine, so the correct article to use before it would be "la" (feminine article) to say "l'école."