Complete the sentences using the words listed in the box below, then click the "Check" button to check your answers. Positive and negative forms can be used. Some gaps may have more than one answer. After you complete the first part of the exercise, there is a second part described at the bottom of the page.
might must should
After you check your answers, redo the exercise above using the modals in the box below.
could
ought to have to
Some of the sentences cannot be completed using these modals. Can you find them? Click here for the answer.