英语冀教版四年级上册.pptx

Review:1、他穿着什么？2、这些是黑色的裤子。3、我穿着蓝色的衬衫。4、这是一条黄色的裙子。These are black trousers.I am wearing a blue shirt.This is a yellow skirt.What is he wearing?What is the difference between the two pictures?1.New and old new trousersold sweaternew sweaterold trousers1.New or Old?1.New or Old?newoldnewoldoldnewnew a new sweateroldan old sweaterThis is a new sweater.This is an old sweater.这是一件新毛衣。这是一件新毛衣。这是一件旧毛衣。这是一件旧毛衣。This is a new sweater.This is an old sweater.a和和an是不定冠词，用于单数可数名词之前，是不定冠词，用于单数可数名词之前，表示一（个、头、只表示一（个、头、只）1、a 用在以辅音因素开头的单数可数名词前。用在以辅音因素开头的单数可数名词前。2、an用在以元音因素用在以元音因素(a、e、i、o、u)开头的单数可数名词前。开头的单数可数名词前。oldold trousersnewnew trousersThese are new trousers.These are old trousers.This is a new sweater.这是一件新毛衣。This is an old sweater.这是一件旧毛衣。This is 这是（指单数）These are new trousers.这是一条新裤子These are old trousers.这是一条旧裤子。These are 这些是（指复数）l1、is 是（用于是（用于he,she,it及单数可数名及单数可数名词和不可数名词后）词和不可数名词后）Example:It is a book.She is a girl.He is ten years old.u2、are 是（用于是（用于we,you,they及复数名及复数名词后）词后）Example:We are happy.You are a clever student.They are some books.n3、new 新的新的Example:This is a new book.4、old 旧的；年老的；旧的；年老的；.岁的岁的Example:This is a old book.It is old.they are old5、it 它它Example:It is a new skirt.Is it a new skirt?Yes,it is./no,it isnt.6、they 他们；她们；它们他们；她们；它们Example:They are old sweaters.Can you introduce(介绍）the pictures（图片）?This is a new sweater.This is an old sweater.These are new trousers.These are old trousers.trouserssweaterskirt2.Lets do it!2.Lets do it!3.I like your skirt.skirtThanks.I like your skirt.Is it new?Yes.Its my birthday gift.I like your trousers.Are they new?No.Theyre old.They re nice.Theyre my favourite trousers.be动词动词 is，are开头的句子为一般疑问开头的句子为一般疑问句，句，以以is开头的句子开头的句子肯定回答：肯定回答：Yes，it is.否定回答：否定回答：No，it isnt.以以are 开头的句子开头的句子肯定回答：肯定回答：Yes，they are.否定回答：否定回答：No，they arent.Lets sing the song again!Goodbye!