Поставьте сказуемое в форму Present Perfect Progressive Tense.
1.
He (look) for their cat since morning.
2.
Her sons (play) computer games since childhood.
3.
We (clean) our flat all day long.
4.
Jessica and I (talk) on the phone since early morning!
5.
I (write) this verse for 5 minutes.
6.
Bob and Pamela (pack) their suitcases since 6 o’clock.
7.
they (study) Hindi since last spring?
8.
You (play not) football since you were 15 years old.
9.
they (watch) this show for 2 hours?
10.
The bonfire (burn not) all night.​