Question

using the present perfect continuous tense
1. who....... at the door for ten minutes( knock)
2.they....... here since 1997 (live)
3. the girls...... for two hours (sing)
4. .............. he........ for fever since yesterday (not suffer)
5. you.... this book since January (write)
6. .........the tap......... for two hours (not run)
7 why......... you.... since yesterday . (fight)
8 why.......... he........... to school for there days. (not come)
9 it......... since morning (rain) ​

Answer 1

Answer:

1 has been knocking

2 have been living

3 have been singing

4has been not suffering

5have been writing

6 has been not running

7 have, you been fighting

8 has been raining

Answer 2

Ans

Explanation:

1) has been knocking

2) have been living

3) have been singing

4) Has he not been suffering

5) Have been writing

6) Has the tap not been running

7) Have you been fighting

8) Has he not been coming

9) has been raining