esercizio 6 - capitolo 1 - presentation and practice 1
Answers:
in affirmative sentences with the pronouns i / you / we / they, we use the base form of the verb, but with he / she / it we add -s or -es to the base form of the verb.
in negative sentences after i / you / we / they, we use don't + base form of the verb, but with he / she / it we use doesn't + base form of the verb.