Упражнение 3. Поставьте глаголы в скобках в Present Perfect negative. 1.I (not clean) my football boots. 2. They (not start) their meal.

Решение:

Для образования Present Perfect negative используем haven't/hasn't + V3.

• 1. I haven't cleaned my football boots.
• 2. They haven't started their meal.

Ответ: 1. haven't cleaned; 2. haven't started.