2024年人教版重庆中考英语二轮语法复习课件 专题13　第2节　主从复合句

第二部分　语法专题突破 专题十三　并列复合句和主从复合句 第二节　主从复合句 目 录 语法专题综合练 1．结构：主语＋谓语＋从属连词＋主语＋谓语 　　　主句　　　　　状语从句 中考考点精讲 考点1 状语从句(A卷：3年2考；B卷：3年6考) 2．初中常见的状语从句引导词 ▲ 引导“时间”状语从句的从属连词 连　词 含义及用法 例　句 when “当……的时候”，when引导的从句谓语动词既可以是延续性动词，也可以是非延续性动词。从句用一般过去时，主句用过去的某种时态 When I called him last night, he was taking a shower. 连　词 含义及用法 例　句 while “当……时”，while引导的从句中谓语动词必须是延续性动词，且常常用进行时 I am doing my homework while my mother is cooking in the kitchen. until “直到……”，与till同义，常用在“not…until…”结构中，表示“直到……才……” She didn't go to bed until the film was over. before “在……之前”，说明两个时间或两个事件之间的先后关系，从句的动作通常发生在主句动作之后 Please make a plan before we take a trip. 连　词 含义及用法 例　句 after “在……之后”，从句的动作通常发生在主句动作之前 You can play football outside after you finish your painting. since “自……以来”，主句用现在完成时，从句用一般过去时 The Smiths have lived here since they came to China. as soon as “一……就……”，引导的从句常用一般现在时表将来，主句用一般将来时 My sister will do the dishes as soon as she finishes eating. ▲ 引导“目的”状语从句的从属连词 连　词 含义及用法 例　句 so that “为了；以便于……”，后接从句，表示目的，只能用于句中，从句中含有情态动词 He ate breakfast quickly so that he could catch the early bus. in order that “为了……”，后接从句，表示目的，从句中含有情态动词，可用于句中，也可用于句首 In order that he can get first prize, he studies hard this term.＝He studies hard this term in order that he can get first prize. ▲ 引导“结果”状语从句的从属连词 连　词 含义及用法 例　句 so…that… 在“so…that…”结构中，so修饰形容词或副词 注意：当“so…that…”引导结果状语从句时，从句若是否定句，可与“too…to…”结构互换 She is so young that she can't dress herself.＝She is too young to dress herself. such…that… 在“such…that…”结构中，such修饰名词 注意：“such＋a/an＋adj.＋n.＋that从句”可与“so＋adj.＋that从句”互换，一定要注意不定冠词的位置 He is such an honest boy that children around him like to play with him.＝He is so honest that children around him like to play with him. ▲ 引导“条件”状语从句的从属连词 连　词 含义及用法 例　句 if “如果”，if引导的条件状语从句用一般现在时，主句用一般将来时 If it is sunny tomorrow, we will go on a picnic. unless “如果不；除非”，unless可以转化为“if not…”结构。主从句时态同if的用法一致 We won't take you to visit your grandparents tomorrow unless you finish your homework today. as long as “只要”，as long as 引导的条件状语从句用一般现在时，主句用一般将来时 As