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


9o)Poned las oraciones siguientes en forma interrogativo-negativa sin contraer y contraída (20.1.4, páginas 144 y 145):
1. I am 87 years old


2. My friends like hamburgers


3. These chairs are very comfortable


4. They know her well


5. She plays in the garden every morning


6. My girlfriend speaks German very well


7. Those men are teachers


8. Professor McGonagall ignores him