1.They have been to Canada this year.2. My brother has always taken our dog for a walk. 3. Tib hasn’t returned the books to the library yet. 4. My grandfather has already cut the grass in the garden.5. The students have studied French this year.6. We haven’t lain in the sun this summer. 7. His little sister has never ridden a bicycle. 8. We have been to the museum today.9. Jane has cleaned the windows this morning.