40.If one doctor doctors another doctor , does the doctor who doctors the doctor doctor the doctor the way the doctor he is doctoring doctors ? Or does he doctor the doctor the way the doctor who doctors doctors ?
41.The cat catchers can't catch caught cats . Betty beat a bit of butter to make a better butter . A purely rural duel truly plural is better than  a purely plural duel truly rural . A tidy tiger tied a tie tighter to tidy her tiny tail .
42.All I want is  a proper cup of  coffee made in a porper copper coffee pot . You can believe it or not . But I just want a cup of coffee  in a proper coffee pot . Tin coffee pots or iron coffee pots are of no use to me . If I can't have a proper cup of coffee in a proper copper coffee pot . I'll have a cup of tea .
43.When does the wristwatch strap shop shut ? Does the wristwatch strap shop shut soon ? Which wristwatch straps are Swiss wristwatch straps ? The sun shines on shop signs . Sheep shouldn't sleep in a shack . Sheep should sleep in a shed .