9l. PRESENTE SIMPLE. SIMPLE PRESENT TENSE (20, página 143)

9l) Poned las oraciones siguientes en forma interrogativa (20.1.3, página 144):
1. I stay at home every Monday evening
2. We usually watch TV
3. I am 87 years old
4. My friends like hamburgers
5. These chairs are very comfortable
6. They know her well
7. She plays in the garden every morning
8. My girlfriend speaks German very well
9. Those men are teachers
10. Professor McGonagall ignores him