重点语法 过去进行时 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. 重点语法 宾语从句 结构:主语 + 谓语动词 + 宾语从句(主语 + 谓语动词 + 宾语/表语) 1、引导名词性从句的连接词 (1)that:没有含义,在宾语从句中不做成分 (2)whether/if:表示是否,宾语从句中不做成分。 I don't know if /whether he still lives here after so many years. 我不知道这么多年后,他是否还住在这里。 (3)连接代词:what, which, who, whom, whose(在宾语从句中做主、宾、表和定语) 连接副词:where, when, how, why(在宾语从句中做状语) 2、在做宾语从句的题目时应注意时态 (1)当主句是现在时态时,宾语从句可以根据需要使用任何时态。 He tells me that his sister came back yesterday.他告诉我他姐姐昨天回来了。 (责任编辑:admin) |