There has been an error in the display of this page. There has been an error in the display of the nav on this page. Click on an exercise title to enter the exercise page. Exercise 1: Basic rules Exercise 2: Subjects with several words Exercise 3: Subjects with and, or, each, or -ing Exercise 4: Sentences with there is / there are Exercise 5: Making verbs agree with subjects There has been an error in the display of this page.