Here are the correct forms of the verbs in the sentences provided:

1. She **walks** to school every morning.
2. They **learn** how to use the lawnmower in their free time.
3. Linda **goes** to the supermarket to buy some sugar.
4. Sometimes I **feel** really lazy to do anything.
5. Phong and I **study** English in my room.
6. I **have** breakfast at 7 am at home.
7. She **does** aerobics every morning to keep fit.
8. Nga **likes** playing basketball very much.
9. What time do you **have** lunch every day?
10. She **does not have** any pen, so I lend her one.