1. My sister is an architect. The word "architect" starts with a consonant sound, so we use the indefinite article "an" before it.
2. A friend of mine recommended a good tutor. The word "tutor" starts with a consonant sound, so we use the indefinite article "a" before it. Also, in this sentence, we are talking about any tutor, not a specific one, so the indefinite article is appropriate.
3. Acapulco is a very beautiful beach. The word "beach" starts with a consonant sound, so we use the indefinite article "a" before it. Also, in this sentence, we are not talking about a specific beach, but any beautiful beach, so the indefinite article is appropriate.
4. My teacher recommended a book to me. The word "book" starts with a consonant sound, so we use the indefinite article "a" before it. Also, in this sentence, we are not talking about a specific book, but any book that the teacher recommended, so the indefinite article is appropriate.
5. Do you have a napkin? I dropped a piece of the pie, and I need to clean it up. The word "napkin" starts with a consonant sound, so we use the indefinite article "a" before it. Also, in this sentence, we are not talking about a specific napkin, but any napkin that can be used to clean up the pie, so the indefinite article is appropriate.
6. Mom, does the lost my ring in the vacuum cleaner work properly? I lost my ring in the closet, and I need to find it. The word "lost" is in incorrect form in the sentence, so we remove it. Also, "the" should not be used before "vacuum cleaner" because the sentence is not talking about a specific vacuum cleaner, but the general one. In the second sentence, "the" is used correctly before "closet" because it is referring to a specific closet.
7. Do you have a pen? I don't have one, and I need to write down an important address. The word "pen" starts with a consonant sound, so we use the indefinite article "a" before it. Also, in this sentence, we are not talking about a specific pen, but any pen that can be used to write down the important address, so the indefinite article is appropriate.
8. Do you have an ID? You need an ID to enter these premises. The word "ID" starts with a vowel sound, so we use the indefinite article "an" before it. Also, in the second sentence, we are talking about a specific ID that is required to enter the premises, so the definite article "the" is appropriate.
9. There's an alligator in the backyard. I think the alligator is looking for something to eat. The word "alligator" starts with a vowel sound, so we use the indefinite article "an" before it. Also, in the second sentence, "the" is used correctly before "alligator" because it is referring to a specific alligator in the backyard.
10. Do you have a computer, a calculator? I have a laptop and an iPad that you can use to calculate whatever you want; unfortunately, I do not have the kind of calculator you need. The words "computer" and "calculator" start with consonant sounds, so we use the indefinite article "a" before them. Also, in the second sentence, "the" is used correctly before "kind" because it is referring to a specific kind of calculator that the person needs.
I hope this explanation helps you understand the usage of articles in these sentences. If you have any further questions, feel free to ask!
№1
1)She asked me whether I had mopped the floor.
2) She asked me if I was the owner of the dog.
3) She asked me if I had left my bag.
4)He asked me if I had read the whole article.
5) He asked me when I had called him the other day.
№2
1) She asked me where I had left my purse.
2)She asked him what he had done for saving situation.
3) She asked them whether they would send
4)She asked them whether they was at home alone.
5) She asked her if she had washed the car the day before.
6) He asked me whether I had met her before.
7) Sam asked me whether I received his proposal.
8) She asked me why I had not told the truth.
9) They asked him why he had been so naughty.
№3
1) She asked me whether I had been at home the day before.
2) They asked him if he had read the article the day before.
3) She asked me if I would be here the following day.
4)He asked me why I had been so frustrated the previous day.
5) Jane asked me when I had written the project the other day.
6) She asked me whether I would go sailing the next day.