3 – Helping Verbs Exercise 1: Four Uses of Can Exercise 2: Find and Fix the Errors a b Exercise 3: Fill-in-the-Blank a b Exercise 4: Make Sentences Exercise 5: Questions and Negatives Exercise 6: Fill in the Blank Exercise 7: Questions and Answers Exercise 8: Fill in the Blank Exercise 9: Questions and Negatives (Be going to) Exercise 10: Fill in the Blank (Be going to) Exercise 11: Questions and Answers (Be going to)