The following exercise will work only with Javascript-enabled browsers. If you got this far, chances are that your browser will handle it just fine. When you click on the enter-button below, a series of ten sentences will appear in dialogue boxes. Type in the verb form required (the base, infinitive form of the verb is provided after each sentence). When you complete the series, a page will appear outlining your responses and revealing the correct answers.

Click [Enter Button] to begin the exercise.