9i. PRESENTE SIMPLE. SIMPLE PRESENT TENSE (20, páginas 140 y 142 de Gramática Inglesa para Estudiantes Españoles)

9i) Poned las oraciones siguientes en forma negativa contraída (20.1.2, páginas 140-142)

9i) Poned las oraciones siguientes en forma negativa contraída (20.1.2, páginas 140-142)
1. We usually watch TV
2. I am 87 years old
3. My friends like hamburgers
4. These chairs are very comfortable
5. They know French well
6. She plays in the garden every morning
7. My girlfriend speaks German very well
8. Those men are teachers
9. Professor McGonagall ignores him