状语从句类型及相似连词的用法区别

一 状语从句分类及常用连词 类别 连 词 时间时间 状语从句 when whenever while as before after since till once as soon as etc 地点地点 状语从句 where wherever 原因原因 状语从句 because since as for now that etc 结果结果 状语从句 so that so that such that that etc 目的目的 状语从句 in order that so that that etc 条件条件 状语从句 if unless as so long as etc 让步让步 状语从句 though although even if even though however whatever as etc 比较比较 状语从句 as as so as than etc 方式方式 状语从句 as as if as though etc 二 相似连词的用法区别 1 when while as while 表时间 从句需用延续性动词 切不可用瞬间动词 when 表时间 从句既可以用延续性动词 又可以用瞬间动词 as 表时间 与 when 相似 但侧重强调主从句动作同点或同段进行 when while 后可以接分词短语 2 because as since for 语气 位置 意义 because 最强 前或后 原因 表客观因果关系 回答 as 较强 前 由于 把众人所知的事实当作理 由 since 较弱 前 既然 就对方陈述的事实作为理由 for 最弱 后 理由 对某一事实进行推断的理 由 注 上面所说的 前 指从句在主句之前 后 指从句在主句之后 3 so that so that such that so that 以便 结果 表目的和结果 注意 在从句中有情态动词表目的 无情态 动词表结果 so that 如此的 以致于 表结果 该结构常见于 1 so 形 副 that 2 so 形 a an 单数名词 that 3 so manymuch 复数名词 不可数名词 that such that 如此的 以致于 表结果 该结构常见于 1 such a an 形 名词 that 2 such 形 复数名词 不可数名词 that 4 though although as though although 在句首表 尽管 两者都可以用 但句后不能再用 but 下列情况只能用 though as though as if even if even though 在句末表示 然而 as 表示 尽管 从句的表语 状语等成分要倒装 5 whatever however wherever whenever 它们是 what how where when 的强势语气 分别等于 no matter what no matter how no matter where no matter when 状语从句种类状语从句种类一卡通 状语从句种类引 导 的 连词 时间状语从句When whenever while after before as since till as soon as until once on sooner than hardly seldom scarcely when the moment every time each time the instant the first time 地点状语从句Where wherever 原因状语从句Because since as 条件状语从句If unless so as long as in case on condition that given that provided that 让步状语从句Though although while even though even if no matter however whatever whether or 方式状语从句As as if as though 目的状语从句So