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