English Skills with Readings 7th Edition by John Langan

Exercise 128

Cross out the incorrect verb form in each of the following sentences. Then write the correct form of the verb in the space provided.
EXAMPLE
drew The little boy drawed on the marble table with permanent ink.
________ 1. Tomatoes were once thought to be poisonous, and they were growed only as ornamental shrubs.
________ 2. On the last day of swim class, every student swimmed the whole length of the pool.
________ 3. My cats have tore little holes in all my good wool sweaters.
________ 4. The pipes in the bathroom freezed last winter, and then burst when they thawed.
________ 5. Every time my telephone has rang today, there has been bad news on the line.
________ 6. Only seven people have ever knowed the formula for Coca-Cola.
________ 7. Amy blowed up animal-shaped balloons for her son's birthday party.
________ 8. I shaked the bottle of medicine before I took a teaspoonful of it.
________ 9. While waiting for the doctor to arrive, I sitted in a plastic chair for over two hours.
________ 10. The pile of bones on the plate showed how much chicken the family had ate.