Past Perfect. Change the following sentences to negative. 17 Mar, 2020 By Olivo 0 Comments 0 Grammar Exercises, Past Perfect Exercises 1. They had taken out the garbage. 2. He had left. 3. He had thrown away the leftover. 4. He had walked the dog. 5. She had bought the ticket. 6. He had gotten sick. 7. I had seen my cousin 8. The doctor had released me from the hospital. 9. I had put on my clothes. 10. You had done the homework. Loading … Please follow and like us: TAGS : change to negativeEnglish grammargrammar exerciseshad donelearn Englishpast perfectpractice English Share