To Be Present Tense Negative and Question Forms

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 To Be Negative and Question Forms
We form the negative sentence by placing not after the to be.
Examples:
  1. I am a singer.  👉 I am not a singer.
  2. She is an actress.  👉 She is not a actress.
  3. You are smart.  👉 You are not smart.
Pay attention to the short form of to be in the sentences below.
  1. I'm not a singer.
  2. She isn't an actress.
  3. You aren't smart.
We form questions by placing the to be before the subject.
Examples:
  1. He is sick today.  👉 Is he sick today?
  2. Jack is angry.  👉 Is Jack angry?  👉 Why is Jack angry?
The answers for the questions are as follows:
  1. Is he sick today? Yes, he is./No, he isn't./I don't know.
  2. Is Jack angry? Yes, he is./No, he isn't./I don't know.

Exercise I

Change the following sentences to negative.
  1. He is a smart boy.  👉 ..............................
  2. They are in London now.  👉 ....................
  3. Mary and Susan are sisters.  👉 ...............
  4. She is very happy.  👉 .................................
  5. They are my classmates. .. 👉....................
  6. He is a good footballer.  👉 .......................
  7. It is warm today.  👉 ..................................
  8. The Quran is always on my desk.  👉 .................
  9. He is a tall handsome boy.  👉 .................
  10. It is windy today.  👉 ..................................
  11. Both brothers are well-known.  👉 ....................
  12. Mr. Black is a policeman.  👉 ...................
  13. It is an expensive car.  👉 .........................
  14. The boy is my new friend.  👉 .................
  15. The cat is on the table.  👉 ........................

Exercise II

Change all the sentences in exercise I to questions.

Answer

Exercise I
  1. He is not a smart boy.
  2. They are not in London now. 
  3. Mary and Susan are not sisters. 
  4. She is not very happy. 
  5. They are not my classmates. 
  6. He is not a good footballer. 
  7. It is not warm today. 
  8. The Quran is not always on my desk. 
  9. He is not a tall handsome boy. 
  10. It is not windy today. 
  11. Both brothers are not well-known.
  12. Mr. Black is not a policeman. 
  13. It is not an expensive car.
  14. The boy is not my new friend.
  15. The cat is not on the table.  
Exercise II
  1. Is he a smart boy?
  2. Are they in London now?
  3. Are Mary and Susan sisters?
  4. Is she very happy?
  5. Are they my classmates?
  6. Is he a good footballer?
  7. Is it warm today?
  8. Is the Quran always on your desk?
  9. Is he a tall handsome boy?
  10. Is it windy today?
  11. Both brothers are not well-known?
  12. Is Mr. Black  a policeman?
  13. Is it an expensive car?
  14. Is the boy  your new friend?
  15. Is the cat on the table?


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