Adverbial Clause of Reason原因状语从句.pptx

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.第1页/共11页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.第2页/共11页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Hes 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)第3页/共11页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)第4页/共11页ThatThat用于表示情感或者心境的形容词或动词后，表示原因Im so happy that you passed your exam.Old that/as he was,he did not hear very well.第5页/共11页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第6页/共11页填空题填空题(because,since,for,that)_ the rain has stopped，lets go for a walk.Since The stars look small only _they are far away.because第7页/共11页填空题填空题(because,since,for,that)I decided to have lunch-_I was feeling quite hungry.forI rejoice(高兴)_you are coming home.that第8页/共11页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第9页/共11页I stay at home because it was raining.because of the rainI was really foolish because I expected him to help me.to expect him to help me第10页/共11页谢谢您的观看！第11页/共11页