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中考网整理了关于2021年中考英语复习之一般现在时的否定原形结构，希望对同学们有所帮助，仅供参考。 基本结构 否定形式：am/is/ are+ not;此时态的谓语动词若为行为动词，则在其前加dont,如主语为第三人称单数，则用doesnt， 同时还原行为动词 He is always ready to help others. 变成否定句：He isn’t always ready to help others. We always have seven classes every day. 变成否定句：We don’t always have seven classes every day. He usually visits his grandparents on weekends. 变成否定句： He doesn’t usually visit his grandparents on weeks. (责任编辑：admin) |