Can you tell me...
Do you know...
Could you tell me...
I was wondering if...
Bonus - Error correction
100

Where does she play tennis?

Can you tell me where she plays tennis?

100

Did she go out last night?

Do you know if she went out last night?

100

Can she swim?

Could you tell me if she can swim?

100

Do they speak English?

I was wondering if they speak English.

100

He wanted to know if I was coming or not.

It is correct.

200

Does he live in Paris?

Can you tell me if he lives in Paris?

200

Where did she meet her brother?

Do you know where she met her brother?

200

When can they come?

Could you tell me when they can come?

200

Did you finish the report?

I was wondering if you finished the report.

200

I want to know can you borrow bowling shoes here?

I want to know if you can borrow bowling shoes here?

300

Is she hungry?

Can you tell me if she is hungry?

300

How was the film?

Do you know how the film was?

300

Why must she leave?

Could you tell me why she must leave?

300

Can you please help me move on Saturday?

I was wondering if you could help me move on Saturday. 

300

Do you know where does she live?

Do you know where she lives?

400

What is this?

Can you tell me what this is?

400

Was David the first to arrive?

Do you know if David was the first to arrive?

400

Why should I leave early?

Could you tell me why I should leave early?

400

Could I use your car today?    

I was wondering if I could use your car today.

400

Do you know where can I find that book?

Do you know where I can find that book?

500

What does he do at the weekend?

Can you tell me what he does at the weekend?

500

Did Lucy work at home yesterday?

Do you know if Lucy worked at home yesterday?

500

How well can she swim?

Could you tell me how well she can swim?

500

Do you drink coffee?

I was wondering if you drink coffee.

500

Do you know where did she live?

Do you know where she lived?