Simply check your answers in the back of the textbook. Chapter 4 Question 1. Chapter 4, Question 2. Question 1 Similar to Question 6 in Chapter 2 of Logical Foundations, write the following expressions in First Order logic. So you might want to practice first on Question 6.
Nobody is a butcher.
No man is a butcher. Everyone is either a male or a female, but not both. All female vegetarians are butchers. Only female vegetarians are butchers. All butchers are female vegatarians.