* Modal V: - (+) Our teeth should be cleaned twice a day. - (?) May this news be announced soon ? - (wh) Where should your cars be repaired ? - (-) This party won't be held next to the pool. * Tương lai đơn: - (+) A new high school will be built in our town next year. - (wh) When will the dog be fed? - (-) Tom won't give Anna a ride to school tomorrow. - (?) Will a new bike be bought by Nga? chuyển sang câu chủ động hộ nha