Unit1 语法--高中英语外研版（2019）必修第三册.pptx

1Beichen Biliugual SchoolUnit 1 Grammar（-ed as adverbial)Can you feel it?Disappointed by his behavior,I said all this to my best friend.Left alone at home,Jenny didnt feel afraid at all.When given a medical examination,you should keep calm.Lost in deep thought,he didnt hear the sound.Left alone at home,she didnt feel afraid at all.Time,used correctly,is money in the bank.时间时间状状语语原因状原因状语语让让步状步状语语条件状条件状语语When she was praised by his teacher,she was very happy.Praised by his teacher,she was very happy.有时过去分词前可加when 或while 强调时间。Given more attention,the fire could have been avoided.If it was given more attention,the fire could have been avoided.once,if,unless 引导的条件状语从句。Absorbed in deep thought,he didnt hear the sound.As he was absorbed in deep thought,he didnt hear the sound.as,because 引导的原因状语从句。Once he was praised by his parent,he made great progress in study.If we are united,we stand;if we are divided,we fall.If it is used properly,one bottle will last for at least 6 weeks.She enters the classroom.She is accompanied by some students.The bridge had been weakened by successive storms and was no longer safe.I walked around the town.I was fascinated by the beautiful scenery everywhere.Once praised by his parent,he made great progress in study.United,we stand;Divided,we fall.Used properly,one bottle will last for at least 6 weeks.She enters the classroom,accompanied by some students.Having been weakened by successive storms,the bridge was no longer safe.I walked around the town,fascinated by the beautiful scenery everywhere.1.过去分词作状语一定表示被动吗？Absorbed in deep thought,he didnt hear the sound.过去分词短语表主动，重在描述主语“he”的状态。过去分词作状语时，其分词的逻辑主语与句子的主语是一致的。形容词化的过去分词Clearly _(write),the book inspires confidence in lots of students.When_(ask)why she came here,the girl held her breath and kept silent._(seat)at the table,my dad and I were talking about my job._(look)out of the window,he found many people had gathered on the street.writtenaskedSeatedLooking1.过去分词作状语时，前面可以带有连词吗？Unless constantly reminded,the teenagers easily let off steam online.When given a medical examination,you should keep calm.过去分词(短语)作状语时，前面可以带连词(when,while,if,unless,though 等)，构成“连词+过去分词”结构。_(carry)a suitcase,the man set out for the bus station._(paint)red,the building stands out among the rest._(award)the Nobel prize in literature,Tim felt his years of effort paid off._(encourage)by the speech,the young man made up his mind to memorize the Spanish vocabulary.CarryingPaintedAwarded Encouraged