Complete the sentences with the correct forms of the verbs in brackets. Write one word in each gap. 1.I heard my friend (to sing) in the bathroom. It was funny! 2.I saw children (to throw) a big stone into the sea. They did it and ran away. 3.I felt the ground, (to shake) for nearly a minute. It was rather scary! 4.The hero saw a gangster (to shoot) a poor girl. The girl fell on the ground. 5.We noticed George (to steal) the class register. Luckily, we managed to stop him.