please correct if the sentence into reported speech are right.

1-where do you buy your clothes?
she asked me where did i buy my clothes?
2-how long have you been collecting these clothes?
she asked me how long have i been collecting those clothes.
3-what will you wear at the party?
she asked me what will i wear at the party.
4-why are you decorating the house?
she asked me why i was decorating the house.
5-what style do you like?
she asked me what style did i liked.
6-do you always get what you want?
she asked me if i always got what i want.
7-do you have to pay a lot for a new item?
she asked me if i payed a lot for a new item.
8-have you got to wear them all the time?
she asked me if i had to wore them all the time.
9--did you like the silver cigarette case?
she asked me if i liked the silver cigarette case.
10-will your husband come to the party?
she asked me if my husband will come to the party.
11-can you afford all these dresses?
she asked me if i could afford all those dresses.

I'll do the first three for you. Then you need to try the others.

1- Where do you buy your clothes?
She asked me where I buy my clothes?

2- How long have you been collecting these clothes?
She asked me how long I had been collecting those clothes.

3- What will you wear at the party?
She asked me what I will wear at the party.

Remember these things about sentences, too -- PUT CAPITAL LETTERS WHERE THEY BELONG!

Be sure to read here about Indirect Speech / Reported Speech, including the section on Tense Change:
http://www.learnenglish.de/grammar/reportedspeech.htm

1- "Where do you buy your clothes?" she asked me where I bought my clothes.

2- "How long have you been collecting these clothes?" she asked me how long I had been collecting those clothes.
3- "What will you wear at the party?" she asked me what I would wear at the party.
4- "Why are you decorating the house?" she asked me why I was decorating the house.
5- "What style do you like?" she asked me what style I liked.
6- "Do you always get what you want?" she asked me if I always got what I wanted.
7- "Do you have to pay a lot for a new item?" she asked me if I paid a lot for a new item.
8- "Have you got to wear them all the time?" she asked me if I had to wear them all the time.
9- "Did you like the silver cigarette case?" she asked me if I liked the silver cigarette case.
10- "Will your husband come to the party?" she asked me if my husband would come to the party.
11- "Can you afford all these dresses?" she asked me if I could afford all those dresses.

1- "Where do you buy your clothes?" she asked me where I bought my clothes.

2- "How long have you been collecting these clothes?" she asked me how long I had been collecting those clothes.
3- "What will you wear at the party?" she asked me what I would wear at the party.
4- "Why are you decorating the house?" she asked me why I was decorating the house.
5- "What style do you like?" she asked me what style I liked.
6- "Do you always get what you want?" she asked me if I always got what I wanted.
7- "Do you have to pay a lot for a new item?" she asked me if I paid a lot for a new item.
8- "Have you got to wear them all the time?" she asked me if I had to wear them all the time.
9- "Did you like the silver cigarette case?" she asked me if I liked the silver cigarette case.
10- "Will your husband come to the party?" she asked me if my husband would come to the party.
11- "Can you afford all these dresses?" she asked me if I could afford all those dresses.

1- She asked me where I bought my clothes. (Correct)

2- She asked me how long I had been collecting those clothes. (Correct, you changed "these clothes" to "those clothes" because reported speech usually changes pronouns and adverbs of time.)

3- She asked me what I would wear at the party. (Incorrect, the correct sentence should be: She asked me what I would wear to the party. Additionally, you changed "will" to "would" in reported speech as well.)

4- She asked me why I was decorating the house. (Correct)

5- She asked me what style I liked. (Correct, you changed "did i liked" to "I liked" because reported speech usually changes pronouns and verb tenses.)

6- She asked me if I always got what I wanted. (Correct)

7- She asked me if I paid a lot for a new item. (Correct, you changed "payed" to "paid" as it is the correct past tense of "pay.")

8- She asked me if I had to wear them all the time. (Correct, you changed "wore" to "wear" because reported speech usually changes verb tenses.)

9- She asked me if I liked the silver cigarette case. (Correct)

10- She asked me if my husband would come to the party. (Correct, you changed "will" to "would" as it is the correct reporting verb for making future tense into reported speech.)

11- She asked me if I could afford all those dresses. (Correct)