Read the following sentences

Read the following sentences aloud, paying attention to the words with the prefix un- and im-

1. He said that he was unable to do well in sciences at school.
2. With the coming of modern technology, many people will become unemployed.
3. Although we can cure many diseases, our understanding of cancer remains imperfect.
4. His unhealthy diet has weakened him badly.
5. It's no good being impatient with small children.
6. Cooking for six people would be impossible without my mother!