Кошка, которая гуляла сама по себе
1) being
2) doing
3) lending
4) to try
5) to come
6) meeting
7) talking
8) to see
9) waiting
10) to put out
11) meeting
12) to buy
13) having
14) being
15) watching
В основном по временам, а именно Present Simple, Present Continuous, Present Perfect Continuous и Present Perfect Simple.
Ну и конечно письмо другу
2. Where;
3. When;
4. How;
5. Who;
6. How long;
7. How often;
8. What;
9. What;
10. Which.
1-4 класс!? Разве Present Perfect изучают в начальных классах?