4. Explanation
Use question words-such
as when, why, what-to
introduces embedded
questions.
When the question is
changed to a noun
clause, the subject must
come before the verb as
it does in statements.
Auxiliary verbs used to
make questions are not
used in the noun clause.
Information
Questions
When will you
go hometown?
- How much will
you buy ?
- Who is a new
teacher?
Why did you
take an English
course?
Noun Clauses with
Question Words
She wanted to
know when I
would go
hometown.
- She wondered
how much I’ll buy.
- Could you tell me
who a new teacher
is?
She asked me
why I had taken
an English
course.
5. B. Clauses with If and whether
Yes/ No Questions may
be changed to noun
clause by using if or
whether (or not) to
introduce them.
Remember that the
subject must come
before the verb in the
noun clause.
6. Clauses with If
If is used in conversational English and in
formal English. It often implies there is a
yes/ no answer.
• Do you have any meeting?
• Is the director in his office now?
Yes / No
Questions
• I asked If he has any meeting.
• Do you know If the director in
his office now?
Noun Clause
with if
7. Clauses with Whether
Whether is preferred in formal English. It
often implies choices among alternative
rather than a strict yes/ no decision.
Yes / No
Questions
• Should I buy a new dress?
• Do I need a new bag?
Noun Clause
with Whether
• I would like to know whether (or not) I should buy a new
dress?
• I would like to know whether (or not) I need a new bag?
