Unit 5 词汇 句式课件-高一上学期英语人教版（2019）必修第一册.pptx

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1、Unit 5 Languages around the World SENTENCE PATTERNlearning aims:1)To learn these sentences pattern usage:It was a time when./of+名词/no matter+where，when等引导的让步状语从句2)To use these sentences pattern correctly.Think and study independently(5)1)To read some sentences on ppt.2)To find all the knowledge poin

2、ts about It was a time when./of+名词/no matter+where，when等引导的让步状语从句3)To find the key and difficult points.4)To find the points you dont understand.Read the sentences and translate them1.Over the years,the system developed into different forms,as it was a time when the Chinese people were divided geogr

3、aphically,leading to many varieties of dialects and characters.2.That writing system was of great importance in uniting the Chinese people and culture.3.Even today,no matter where Chinese people live or what dialect they speak,that can all still communicate in writing.Self-learning guidance:(6)1)To

4、make the summary.2)To finish some exercises.3)To mark the check points.4)To check the answers.It was a time when.那段时间.在此句式中，在此句式中，a time 是先行词，是先行词，when 为为关系副词引导定语从句，并在从句中作关系副词引导定语从句，并在从句中作时间状语。时间状语。有时也用：有时也用：There was a time when.曾经有一段时间曾经有一段时间.be of+名词 在句子中作表语，后置定语和宾语补足语 1 不可不可转化为同根形容词：说明主语在重量，大小，颜

5、色，类别等方面的特征。转化为同根形容词：说明主语在重量，大小，颜色，类别等方面的特征。这类名词有这类名词有color,size,age,height,weight,shape,type,kind,price,quality等，等，名词前可用名词前可用different，the same,a(n)修饰。修饰。eg：These pens are of many different colors.2 可可转化为同根形容词：说明句子主语所具有的作用转化为同根形容词：说明句子主语所具有的作用,重要性或重要意义等。重要性或重要意义等。这类名词有这类名词有value,use,importance,help,

6、significance,benefit,beauty等等 名词前可用名词前可用no,some,any,little,much,great 等词修饰。等词修饰。eg：Dictionaries are of great help.no matter+where/what.引导的让步状语从句 no matter how/who/where/when/what/which.引导让步状语从句时，可换成引导让步状语从句时，可换成however/whoever/wherever/whenever/whatever/whichever(无论多么无论多么/无论谁无论谁/无论哪里无论哪里/无论何时无论何时/无论

7、什无论什么么/无论哪个等无论哪个等)。但当。但当whoever，whichever，whatever引导名词性从句时，他们不能换成引导名词性从句时，他们不能换成no matter who/which/thatexercise 1曾经有一段时光我和同学们相处得很好。（翻译）There was a time when I was getting along well with my classmates.exercise 21.be ofsignificance=2.be of importance=3.be of help=4.be of use=5.be of value=6.be of be

8、nefit=be significantbe importantbe helpfulbe usefulbe valuablebe beneficialexercise 3 请完成导学案p95 task 5 变式训练 answer（1）Whatever problem you have（2）No matter how long it takes（3）Whoever wantssummary 1 It was a time when.It was a time when.那段时间那段时间.There was a time when.There was a time when.曾经有一段时间曾经有一

9、段时间.2 be of+名词名词 在句子中作表语，后置定语和宾语补足语在句子中作表语，后置定语和宾语补足语 可可转化为同根形容词：说明主语在重量，大小，颜色，类别等方面的特征转化为同根形容词：说明主语在重量，大小，颜色，类别等方面的特征 不可不可转化为同根形容词：说明句子主语所具有的作用转化为同根形容词：说明句子主语所具有的作用,重要性或重要意义重要性或重要意义等等 3 no matter how/who/where/when/what/which.引导让步状语从句时，可换成引导让步状语从句时，可换成however/whoever/wherever/whenever/whatever/whichever(无论多么无论多么/无论谁无论谁/无论哪里无论哪里/无论何时无论何时/无论什么无论什么/无论哪个等无论哪个等)。但当。但当whoever，whichever，whatever引导名词性从句时，他们不能换成引导名词性从句时，他们不能换成no matter who/which/that