Example: They quarrelled. They both are very nervous.
They wouldn't have quarrelled if they both were not very nervous.
1. Bob recovered. The doctors that had treated him are very experienced. 2. Mary passed her exams. She is industrious. 3. We invited John Brown to our tea-party. We are acquainted with him. 4. I didn't leave the children alone. They are naughty. 5. She didn't agree to teach us French. She doesn't know the language well. 6. Martha understood the German delegates, she is a German. 7. I gave you this book because it's very interesting. 8. I advised my friends to have a walking tour because I myself am fond of walking tours.
