1 . I haven't seen Nam for 3 years

2 . We have lived here for fifteen years

3 . How long have you learnt?

4 . My backpack is different from yours

5 . Jane is the same high as her older sister

6 . Those cars are bigger than these cars

1. I haven't saw Nam for three years.

2. We have started living here for fifteen years.

3. How long had you learned?

4. My backpack is different as yours.

5. Jane is the same height as her older sister.

6. Those cars are bigger than these cars.