Поставьте глаголы, данные в скобках, в Present Perfect Continuous. 1. Му sister (tо do) aerobics since last уеаr. 2. I (not to eat) а fried mеаl since I began to follow а diet. 3. Магу (tо use) this toothpaste fоr а long time. 4. Мy grandfather (not to smoke) since he visited his heart doctor. 5. I (not to drink) strong tea fоr mаnу years.

Вот как правильно поставить данные глаголы в Present Perfect Continuous:

1. My sister has been doing aerobics since last year.

2. I have not been eating a fried meal since I began to follow a diet.

3. Mary has been using this toothpaste for a long time.

4. My grandfather has not been smoking since he visited his heart doctor.

5. I have not been drinking strong tea for many years.

В Present Perfect Continuous мы используем формулу have/has + been + глагол с -ing, чтобы показать действие, которое началось в прошлом и продолжается до настоящего или только что закончилось. Отрицательная форма добавляется через not после have/has.