* 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? * Quá khứ đơn: - (+) The Great Wall in China was built many centuries ago. - (?) Was I bitten by a small dog ? - (wh) When was this bunch of flowers given by her father? - (-) These postcards weren't send to Juliet. * Hiện tại tiếp diễn: - (+) A lot of trees are being planted around the school at the moment. - (?) Is the cake being made by her now? - (wh) Where are you being taken a photo ? - (-) The watch isn't being bought by he at the shop. chuyển sang câu chủ động giúp mình nha