Exercise on Passive Voice - Past Perfect Rewrite the sentences in passive voice.

1. I had worn blue shoes. - Blue shoes had been worn by me.

2. Blue shoes had been worn by me-



3. Joe had cleaned the tables. -



4. We had lost the key. –



5. They had started a fight. –



6. I had been reading an article. –



7. I had not closed the window. –



8. They had not bought the paper. –



9. She had not noticed me. –



10. Had she solved the problem? –

Type the correct answer in the box. spell all words correctly. certain species of insects introduced accidentally in a forest are destroying all the douglas fir trees in that forest. the wood of these trees is extensively used for construction. in order to control the damage caused by these insects, the forestry department decided to introduce the moth caterpillar in the forest. these caterpillars are natural predators of the insects. which method did the forestry department implement to control the invasive species? the forestry department implemented a(n) control method.