1. I do want to help you.
2. Jane does know how to cook.
3. I often go to the park.
4. They play tennis every weekend.
5. Jim studies French.
6. The Volga is the longest river in Europe.
7. Does he speak English?
8. I usually go there in the morning.
9. Where does he always play?
10. We sometimes go to the seaside in spring.