1. My mother had taken her umbrella before she went out

2. Frank had called me before I went to school

3. I had washed the dishes before I watched TV

4. She had washed her hands before she had lunch

5. The boy had bought a ball before they played football

6. My mother had made a cake before the guests came

7. He had put sugar in his tea before he drank it

8. I had got up before I had breakfast

9. The children ran away after they had broken the window

10. I had fastened my seat belt before the plane took off

Mỗi ý chọn 1 trong 2 câu đều được nhé

1. My mother had taken her umbrella before going out

      My mother went out after taking her umbrella

2. Frank had called me before I went to school

    I went to school after Frank had called me

3. I had washed the dished before watching TV

    I watch TV after washing the dishes

4. She had washed her hand before having lunch

    She had lunch after washing her hands

5. The boys had bought the ball before playing football

    The boys playing football after buying a ball

6. My mother had made a cake before the guests came

    The guests came after my mother had made a cake 

 7. He had put sugar in his tea before drinking it

     He drank his tea after putting sugar in it

8. I had got up before having breakfast

   I had breakfast after getting up

9. The children had run away after breaking the window

    The children had broken the window before running away

10. I had fastened my seat belt before the plane took off

     The plane took off after I had fastened my seat belt