Ответ:
1. Present Simple описывает привычку (usually, every morning); Present Continuous — действие сейчас или временную ситуацию (today, Look!).
- She usually walks to school, but today she is taking the bus because it’s raining.
- Look! The children are playing football in the garden.
- My dad reads the newspaper every morning.
2. Past Continuous обозначает длительное действие, на фоне которого произошло короткое действие в Past Simple. Для параллельных действий используются две формы Past Continuous.
- We were having dinner when the phone rang.
- Yesterday at 5 p.m., I was waiting for my friend at the bus stop.
- He bought a new bike last weekend.
- She was tidying up her room while her sister was washing the dishes.
3. Present Perfect употребляется с know и в отрицании с yet; Present Perfect Continuous подчёркивает длительность действия.
- I have known her since we were children.
- He has been working in the garden all morning and he’s very tired.
- We haven’t seen that film yet.
- The children have been watching cartoons for two hours.
