"I don't know whether I should allow you to board the plane with this mysterious box."
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A noun Clause that starts with "whether" or "if"

Definition:

Noun clauses that start with "whether" or "if" are used to answer questions that you do not know the answer to. "Whether" and "if" are usually interchangeable. 

Example:

Question: Is her dad a teacher?
Answer: I don't know if her dad is a teacher

Question: Are you going to the party?
Answer:
I don't know whether I'm going to the party.

Question: Is he o.k.?
Answer:
I don't know if he's hurt or not.



Writing Exercise
Finish the sentence. Start each noun clause with "whether" or "if". The first sentence has been competed for you.
1.
Question: Does she live in Ohio?
  Answer: I don't know: .
2.
Question: Are you going to the movies later?
  Answer: I don't know: .
3.
Question: Is she a native American?
  Answer: I don't know: .
4.
Question: Can they go to the restaurant later?
  Answer: I don't know: .
5.
Question: Does Mike have an extra pencil?
  Answer: I don't know: .
6.
Question: Are mike and sam still fighting?
  Answer: I don't know: .
7.
Question: Does anyone know whether it will rain today?
  Answer: I don't know: .
8.
Question: Is Thomas still in the hospital?
  Answer: I don't know: .
9.
Question: Are you all still going to California?
  Answer: I don't know: .
10.
Question: Is she hurt?
  Answer: I don't know: .

 

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