1.Mr Brown said to me "i 've been living here for 10 year --> 2 My teacher said to me "prepare your lesson carefully before class" --> 3 I said to lan" what aspect of learning English do you find most difficult --> 4 the doctor said to the boy"do you brush your teeth after meals?" --> 5 could you please tidy our room? Ba said to his room mates -->

1.Mr Brown said to me "i 've been living here for 10 years

--> Mr. Brown told me he had been living there for 10 years.

2 My teacher said to me "prepare your lesson carefully before class"

--> My teacher told me to prepare my lesson carefully before class.

3 I said to lan" what aspect of learning English do you find most difficult

--> I told Lan what aspect of learning English she found most difficult.

4 the doctor said to the boy"do you brush your teeth after meals?"

--> The doctor told the boy if he brushed his teeth after meals.

5 could you please tidy our room? Ba said to his room mates

--> Ba told his room mates if they could please tidy their room.