Class 17-2: A Noun Clause that Starts with whether or if

18-2

“I don’t know whether I should allow you to board the plane with this mysterious box.”

Rule:

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.

Examples:

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 okay? Answer: I don’t know if he’s hurt or not.

Exercise

Exercise 1: Finish the sentence. Start each noun clause with whether or if.

1.  Question: Does she live in Ohio? | Answer: I don’t know: whether she lives in Ohio.

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: _________________________.