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1、人教版英语精品资料（精修版）单元语法知识精讲一、如何询问价格询问价格的句型为：How much is/are ?1.“How much is ?”常用来询问单数名词或不可数名词的价格，对此问句进行回答时常用句型为：“Its+价格”。eg:How much is the T-shirt?这件T-恤衫多少钱？Its 68 yuan.68元。How much is the milk?牛奶多少钱？来源:Z,xx,k.ComIts 109 yuan.109元。2.“How much are ?”常用来询问复数名词的价格，对此问句进行回答时常用句型为：“Theyre+价格”。eg:How much are
2、 these shoes?这双鞋子多少钱？They are 18 dollars.18美元。How much are those dresses?那些连衣裙多少钱？Theyre 80 yuan.80元。【拓展】询问物品的价格还可以用句型“Whats the price of ?”。使用这一句型时，不管所询问的物品是单数还是复数，be动词都用is，其答语都用“Its ”。eg:Whats the price of that book?那本书多少钱？Its fifteen yuan.15元。Whats the price of the books?那些书多少钱？Its fifty yuan.50元
3、。二、基数词的记忆规则及用法1.基数词的记忆规则(1)012这13个数字独立成词，要单独记忆。它们分别是：zero, one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve。(2)1319都是以“个位数+teen”构成，fourteen, sixteen, seventeen, nineteen为个位数直接加-teen构成；thirteen, fifteen, eighteen的拼写需特殊记忆。(3)2090整十位数的基数词由相应的个位数字后加-ty构成。sixty, seventy, ninety为个
4、位数直接加-ty构成；twenty, thirty, forty, fifty, eighty的拼写需特殊记忆。(4)2199的两位数的表达是整十位数加个位数，中间加上连字符“-”。eg：twenty-one，forty-two, seventy-eight(5)100可以写成a hundred或one hundred。一般hundred都不用复数形式。eg：two hundred, three hundred2.基数词的用法(1)表示年龄，基数词放在years old之前。eg：He is twelve years old.他十二岁。(2)用来表示人或物的数量，放在名词之前。eg：I hav
5、e three balls.我有三个球。(3)表示顺序、编号等，放在名词之后。eg：Im in Class Four.我在四班。(4)用来计算。eg：Two and six is eight.二加六等于八。Whats forty and twenty?40加20等于多少？Its sixty.等于60。(5)基数词作主语时，谓语动词用单数形式。eg:Six and ninety is ninety-six.6加90等于96。单元语法强化训练.用be动词的适当形式填空。1.How much_ (be)this white bag?2.How much _(be)those blue shorts?
6、3.How much_ (be)the bread?4.Eighteen and twelve _(be)thirty.5.Nine hundred _(be)enough（足够的）.句型转换，每空一词。1.These socks are two dollars.（对画线部分提问）_ _ _these socks?2.How much is the rice?（改为同义句）来源:Z_xx_k.Com_ _ _ _the rice?3.Sixty-two and thirty-eight is one hundred.（对画线部分提问）_ _sixty-two and thirty-eight?
7、4.Johns sister is eight years old.（对画线部分提问）_ _ _Johns sister?5.Whats the price of these trousers?（改为同义句） _ _ _these trousers?.根据汉语意思完成句子，每空一词。1.那件蓝色的夹克衫多少钱？98元。 _ _ _that blue jacket? _98 yuan.2.琳琳的妈妈39岁。Linglings mother is_ _ _.3.他需要19个篮球。He needs_ _.4.迈克在8班。Mike is in _ _ .5.这双白色的鞋子多少钱？88元。来源:Zxxk.ComHow much _ these white shoes? _88 yuan.来源:学科网单元语法强化训练.1.is2.are3.is4.is5.is.1.How much are2.Whats the price of3.What is4.How old is5.How much are来源:学。科。网.1.How much is;Its2.thirty-nine/39 years old3.nineteen/19 basketballs4.Class Eight5.are;Theyre