Складність:
1. | Present perfect. Questions | 6Б. |
2. | Present perfect. Negative sentences | 4Б. |
3. | Present perfect. Affirmative sentences | 5Б. |
4. | Present perfect continuous. 'Have' or 'has' | 3Б. |
5. | Present perfect continuous. 'For' or 'since' | 3Б. |
6. | Present perfect continuous. Questions | 3Б. |
7. | Present perfect or present perfect continuous | 5Б. |