人教版高二英语必修三unit5Usinglanguagepoints.ppt

人教版高二英语必修三人教版高二英语必修三unit5Usinglanguagepointunit5Usinglanguagepoints sLearning aims1.To analyse some difficult sentences.2.To master some sentence structures.3.To put them into pracrice.肯定形式表示的意思是肯定形式表示的意思是“做某事直至某时做某事直至某时”,动动词必须是延续性的。词必须是延续性的。否定形式表达的意思是否定形式表达的意思是“直至某时才做某事直至某时才做某事”。动词为延续性或非延续性都可以。动词为延续性或非延续性都可以。肯定句：肯定句：I slept until midnight.我一直睡到半夜时醒了。Wait till I call you.等着我叫你。否定句：否定句：She didnt arrive until 6 oclock.她直到她直到6点才到。点才到。Dont get off the bus until it has stopped.公共汽车停稳后再下车。公共汽车停稳后再下车。否定句可用另外两种句式表示。否定句可用另外两种句式表示。a.not until 在句首在句首,主句用倒装。主句用倒装。Not until the early years of the 19th century did man know what heat is.直到直到19 世纪初世纪初,人类人类才知道热能是什么。才知道热能是什么。b.用于强调句用于强调句It is not until that It was not until I told him that he knew about it.直至我告诉他，他才知道这件事。直至我告诉他，他才知道这件事。It was _ yesterday _ I was wrong.A.until;did I realize B.not until;did I realize C.until;that I realized D.not until;that I realizedD 2.Its too bad you cant go as far as Ottawa as far as 1)直到直到远远,远到远到;2)(表示程度表示程度,范围范围)就就;据据；至于；至于 as/so far as I know 据我所知据我所知 as far as I am concerned 就我而言就我而言 as long/high/wide/deep as 和和一样长一样长,长达长达 as many/much as 多达多达 so far 到目前为止到目前为止 by far 最最,得多得多(用于比较级或最高级前用于比较级或最高级前)nWhy dont we walk as far as the end of the road?nThis river is as deep as 50 meters.nThis river is as deep as that one.nOur school library has as many as 500,000 books.nAs far as I know,he is by far the best player in our class.nWe have known nothing about it so far.用适当的介词或副词填空。用适当的介词或副词填空。1.Have you got any idea when we shall leave _ Rome?2.This may occur in areas of high rainfall or in coastal areas where rivers flow _ the ocean.3.I usually walk along the path in the countryside _ dusk.forintoat/around4.We set sail _ dawn and headed straight for Shanghai.5.Do you mind if we discuss a little business _ dinner?6.My parents often chat _ me after supper.7.Write these words _ small letters,not capital letters.atoverwithin8.Will you please go _ with me to do some shopping?9.Cant you look _ your examination exercises again?10.We used to walk _ the river when we lived in this village.downtown/alongoveralong Summary 1.表示位置转移的瞬间动表示位置转移的瞬间动词用进行时表达将来时词用进行时表达将来时。2.notuntil3.as far asHomework Read the listening text and remember the information about Canada.结束结束