Fill in all the blanks. Use the words in the alphabetized word list. Then press "Check" to check your answers.
Verbs can be used as nouns either by being changed to gerunds (by adding -ing) or to infinitives (by adding to). If the subject of a sentence is a gerund or an infinitive, the present tense form of the verb adds -s. See Chapter Sixteen in the book for more information on gerunds and infinitives.
Choosing a major takes thought.
To choose a major takes thought.