Put the verbs into (to) Infinitive or –ing form. She can’t(to imagine) hum being a firefighter. We didn’t want him(to disturb) them. We don’t mind(to open) the window, it’s so stuffy. He gave up(to smoke). The song is worth(to smoke). Would you prefer (to start) with the result of the experiment? She fancies(to go) out tomorrow. It’s too difficult(to do) diving in such cold weather. He promised me(to return) the glasses in an hour. Avoid (to dress) smart. There are plenty of robbers.