The cat has caught a bird. Mrs.Brown has tought us to use Passive Voice. Mike has brought a dog to the school. I have bought a box of sweets. John has fought with a boy from another school. Pam has thought about her kittens. They have built a big house. My parents have sent a letter to my form teacher. We have met a street musician. Sue has left her umbrella in the bus. His dog has found a bone. We have got on a bus. They have had a breakfast.