EXERCISES for Chapter 1 : THE SIMPLE PRESENT OF THE VERB TO BE1. Change the following pairs of words into sentences, using the correct forms of the Simple Present of the verb to be. For example:       I, cautious       I am cautious.       they, friendly       They are friendly. 1. you, careful 2. it, warm 3. he, here 4. we, bold 5. they, careless 6. she, clever 7. we, ready 8. you, reckless 9. I, shy 10. they, polite 2. Change the affirmative statements resulting from Exercise 1 into questions. For example:       I am cautious.       Am I cautious?       They are friendly.       Are they friendly? 3. Change the affirmative statements resulting from Exercise 1 into negative statements. For example:       I am cautious.       I am not cautious.       They are friendly.    ...