Embedded / Indirect questions

I would like to know if he is a student ?

I would like to know if he is a student.

I would like to know if is he a student ?

Do you know how she did it ?

Do you know how did she did it ?

Do you know how she do it ?

Could you tell me where should I send the documents ?

Could you tell me where I should send the documents ?

Could you tell me where I send the documents ?

Do you know where she met her brother ?

Do you know where she meet her brother ?

Do you know where did she met her brother ?

Do you know if he already arrived ?

Do you know he has already arrived ?

Do you know whether he has already arrived ?

I wonder what type of car have you got.

Can you tell me what type of car you have got?

Would you mind telling me if you have got a car?

Would you mind telling me where the nearest bank is.

Would you mind telling me where is the nearest bank ?

Would you mind telling me where the nearest bank is ?

Can I ask you how long have you been living here ?

Can I ask you how long you been have living here ?

Can I ask you how long you have been living here ?

I want to know if she likes cats.

I want to know does she like cats.

I want to know if she like cats.

I want to know does likes cats.

Can you tell me where is the bathroom?

Can you tell me where the is bathroom?

Can you tell me where the bathroom is?