Используя данные слова, составьте утвердительные предложения во времени Present Perfect Continuous (при необходимости вы также можете добавлять слова в предложения).
the dog / the cat / chase →
you / the letter / write →
they / a new iPhone / invent →
you / in a forum / chat / not →
I / on the task / concentrate / not →
Answers & Comments
The dog has been chasing the cat.
You have been wrtiting the letter.
They have been inventing a new Iphone.
You have not been chating in a fourum.
I have not been concentrating on the task.