3 Fill in can, can't, could, couldn't, was able to, wasn't able to, will be able to, wouldn't be able to. 1. If you practise English every day, you it fluently. 2. I got a bad mark. 3. I very proud of it. 4. Katya friend yesterday. 5. I 6. Sorry but I 7. Paul seven.

Решение:

1. If you practise English every day, you will be able to speak it fluently.

2. I couldn't learn the new words by heart and got a bad mark.

3. I was able to recite some English poems. I'm very proud of it.

4. Katya can chat with her American friend yesterday. (Примечание: глагол 'can' используется для настоящей способности. Если имеется в виду прошлое, то 'could', но в данном контексте 'can' кажется более вероятным, если предложение относится к обычной способности, а не к конкретному случаю в прошлом).

5. I could stand writing compositions.

6. Sorry but I can't make a speech at the conference tomorrow.

7. Paul could speak three foreign languages when he was seven.

Ответ: will be able to; couldn't; was able to; can; could; can't; could.