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九年义务教育中的八年级也可叫做初二，初中二年级。小编整理了初二英语：人教版下册知识要点Unit 3，供大家参考学习。 Unit 3 What were you doing when the UFO arrived? 重点语法：过去进行时态 do/does 的过去进行时态形式：（was/were） doing do/does 的过去进行时态的被动语态：（was/were） being done 过去将来时态的肯定句、否定句和疑问句形式： 肯定句例句：I was walking down the street when a UFO landed. 否定句例句：I wasn‘t walking down the street when a UFO landed. 一般疑问句例句：Were you walking down the street when a UFO landed? 特殊疑问句例句：What were you doing when a UFO landed? 动词 when 和 while 的选择：when 后加瞬间动词，while 后加延续性动词。 例句：The boy was walking down the street when the UFO landed. =While the boy was walking down the street， the UFO landed. 感叹句 结构：（1） How + adj. + the + 主语 + 谓语动词 =（2） What + （a/an） + [adj.] + n. + 主语 + 谓语动词 例句：What a beautiful flower [it is]! =How beautiful the flower is! What beautiful flowers [they are]! =How beautiful the flowers are! (责任编辑：admin) |