Adverbial Clause of Reason原因状语从句.ppt

Adverbial Clause of Adverbial Clause of ReasonReason原因状语从句原因状语从句原因状语从句的引导原因状语从句的引导( (从属连词从属连词) )•BecauseBecause•通常表示直接的原因，可以用just,only,simply等强调或用not否定•从句通常置于句首，也可以置于句尾•The boy was absent only because he was ill.•BecauseBecause•回答why提出的问题或在分裂句中表强调时，只能用because引导的从句•表示补充说明或推断的原因的从句必须置于句尾，用逗号隔开•He must be in,because the light is on.•ForFor•表示补充说明或推断的原因，从句必须后置，用于正式文体，用标点符号和主句分开•He's drunk,for/because I saw him staggering.•(有时for可以用于句首，引导句子补充说明上文)•Since(and As)Since(and As)•表示明显的、已知的原因，从句通常置于句首，也可以位于句尾•Since you insist,I will consider this problem.•(不能用just,only,simply等强调，也不能用not否定)•ThatThat•用于表示情感或者心境的形容词或动词后，表示原因•I'm so happy that you passed your exam.•Old that/as he was,he did not hear very well.原因状语从句的转换原因状语从句的转换•-ing分词及其短语•不定式及其短语•-en分词及其短语•形容词短语和名词短语•介词短语填空题填空题(because,since,for,that)•___ the rain has stopped，let’s go for a walk.•Since• The stars look small only ___they are far away.•because填空题填空题(because,since,for,that)•I decided to have lunch--__I was feeling quite hungry.•for•I rejoice(高兴) ___you are coming home.•that将下列状语从句转换成短语将下列状语从句转换成短语•As Mark was poor,he could not go to school.•Being poor •As Mark was poor in health,he could not work.•Poor in health•I stay at home because it was raining.•because of the rain•I was really foolish because I expected him to help me.•to expect him to help me。