I have been doing my homework for half an hour.
She has been writing the test for ten minutes.
It has been raining for two hours.
They are having breakfast.
Вопрос: Are they having breakfast? Отриц.: They are not having breakfast.
Jane is doing her homework.
Вопрос: Is Jane doing her homework? Отриц.: Jane isn't doing her homework.
Mrs Smith is washing clothes.
Вопрос: Is Mrs Smith washing clothes? Отриц.: Mrs Smith isn't washing clothes.
Mary is having a shower.
Вопрос: Is Mary having a shower? Отриц.: Mary isn't having a shower.
John is cleaning his teeth.
Вопрос: Is John cleaning his teeth? Отриц.: John isn't cleaning his teeth.
They are watching TV.
Вопрос: Are they watching TV? Отриц.: They aren't watching TV.
They are going to school.
Вопрос: Are they going to school? Отриц.: They aren't going to school.
Ben is wearing a football shirt.
Вопрос: Is Ben wearing a football shirt? Отриц.: Ben isn't wearing a football shirt.
You are running.
Вопрос: Are you running? Отриц.: You are not running.
She has been writing the test for ten minutes Это презент перфект континиус, т. к. она писала тест 10 минут и только что закончила
It has been raining for two hours Тоже самое