According to the rules and regulations, all payments _____ be made in cash in the shopping center.

–– ________ I come back before 6 o’clock?–– No, you _______ . But you ______ be back later than 7 o’clock.

 I ________ have watched that movie---it will give me horrible dreams.

Drunk driving is against the law now. It ______ be forbidden.

In China, you _____ vote when you are 18.