Поставить слова в скобках в Present Continuous или Present Simple

he must know some foreign languages. he  must work now over the new novel. now they must enjoy fine weather.

1. said

2. told

3. said

4. told

5. said

6. told

7. said

8. told 

1. i exercise regularly in summer but more to do in winter. 2. she usually walks slowly but now she is walking even   faster . 3. nina speaks loudly but mary speaks even   louder . 4. he runs fast, than other boys. 5. i don’t sleep enough, less   than 8 hours. 6. he behaves badly, than other boys. 7. i smile often, more than my sister. 8. peter lives far from school, but ann lives closer .

я думаю, что  4 и в 6 предложениях ничего изменять не надо. может я ошибаюсь.