Переведите в прошедшем настоящем и будущем времени: Я делаю домашнее задание Я не делаю домашнее задание. Я делаю домашнее задание? Я на работе. Я не на работе. Я на работе? Я катаюсь на роликовых коньках. Я не катаюсь на ролик...

1. I am doing my homework.  I was doing my homework. I'll do my homework. 2. I am not doing my homework. I was not doing my homework.  I won't do my homework.  3. Am I doing my homework? Was I doing my homework? Will I do my homework? 4. I am at work.  I was at work.  I'll be at work.  5. I am not at work.  I was not at work.  I won't be at work.  6. Am I at work? Was I at work? Will I be at work? 7. I am skating.  I was skating.  Will I be skating? 8. I am not skating. I was not skating. I won't be skating.  9. Am I skating? Was I skating? Will I be skating?