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Unit Do you know where … ?

49 I don’t know what … etc

A
Do you know We say: Where is Paula?
where Paula is?

but Do you know where Paula is ?

(not Do you know where is Paula?)

In the same way we say:
I know
I don’t know where Paula is.

Can you tell me

Compare:

Who are those people? but who those people are
How old is Nicola? Do you know how old Nicola is ?

What time is it? Can you tell me what time it is
Where can I go? where I can go
How much is this camera? how much this camera is
When are you going away? I know when you’re going away
Where have they gone? I don’t know where they have gone .

What was Kate wearing? I don’t remember what Kate was wearing

B Questions with do/does/did (present simple and past simple)

Where does he live ?

but Do you know where he lives ? (not Do you know where does he live?)

Compare:

How do airplanes fly? but Do you know how airplanes fly ?

What does Jane want? I don’t know what Jane wants
Why did she go home? I don’t remember why she went home .
Where did I put the key? where I put the key
I know

C Questions beginning Is … ? / Do … ? / Can … ? etc. (yes/no questions)

Compare:

Is Jack at home? but Jack is at home
Have they got a car? Do you know if they’ve got a car ?
Can Ben swim? or Ben can swim

Do they live near here? I don’t know whether they live near here .
Did anybody see you? anybody saw you

You can use if or whether in these sentences:

Do you know if they’ve got a car? or
Do you know whether they’ve got a car?
I don’t know if anybody saw me. or
I don’t know whether anybody saw me.