高中英语非谓语动词与状语从句的转化

非谓语动词与状语从句的转化 状语从句是同学们在初中就掌握的内容，笔者现将非谓语动词与状语从句之间转换的规律作一归纳，帮助大家更好地掌握非谓语动词。 一、非谓语动词与时间状语从句间的转换。 1.当主、从句的主语一致，主、从句的谓语动作同时或几乎同时发生时，且从句中谓语动词是主动语态，可用现在分词的一般式转换。 如： When they heard the news，they jumped with joy. Hearing the news，they jumped with joy.当他们听到这则消息时, 高兴得跳了起来。 2.当主、从句的主语一致，从句中的动作发生在主句的动作之前 或从句中谓语动词是完成时，可用现在分词的完成式转换。 如： After he(had）returned home，he began to work. Having returned home，he began to work.回到家以后, 他开始工 作。 3.当主、从句主语一致时，由 after，before，since，as soon as等引导的从句可分别用 after/before/since/on 加动名词短语转换。 如： Since I saw you last，I have been ill. Since seeing you last，I have been ill.自从我上次见你后, 就一直在生病。 As soon as he heard this，he couldn’t help crying. On hearing this，he couldn’t help crying.他一听到这事, 不禁哭了 起来。 4.当主、从句主语一致时，以 when，while 引导的从句，也可用 when /while加现在分词短语转换。 如 While we were walking along the river, we heard someone shouting. While walking along the river，we heard someone shouting.当我们正沿着河走时,我们听到有人喊叫。 5.当主、从句的主语一致，且从句的谓语动词是被动语态时,可用过去分词短语转换。 如:After they were sent to the zoo,