1、单元语法聚焦七数词&代词it的用法一、数词1January is the first month of a new year.一月是新的一年的第一个月。2My birthday is on August 23.我的生日是8月23号。3November has thirty days.十一月有30天。以上是课本中出现的有关数词的句子，你知道英语中数词的种类及用法吗？下面我们一起来探讨一下吧。1数词的定义数词是表示数目和顺序先后的词，分为基数词和序数词两种。基数词表示数目，意为“几”；序数词表示顺序，意为“第几”。(1)112: one, two, three, four, five, six,
2、seven, eight, nine, ten, eleven, twelve。(2)1319的构成一般为个位基数词后直接加teen, 但注意特例： thirteen, fifteen, eighteen。(3)2090的整十位基数词一般为个位基数词后直接加ty构成，但注意20是twenty，而不是twoth；30是thirty，而不是threeth；40是forty，而不是fourty; 50是fifty，而不是fivety; 80是eighty, 而不是eightty。(4)2199，表示“几十几”，用整十位数加个位数表示，中间用连字符“”把十位数和个位数连接起来。例如：21 twenty
3、one, 35 thirtyfive。2序数词的构成(1)从1到3是特例： first, second, third; 从4到19的序数词一般在与之相对应的基数词词尾加th, 但也有特殊情况。例如：fivefifth, eighteighth, nineninth, twelvetwelfth。(2)整十的序数词是在基数词的基础上变y为 ie，再加th。例如： twentytwentieth, fortyfortieth。(3)两位数的序数词，只需把个位数变为序数词，前面的数词仍用基数词。例如：第二十二twentysecond，第九十九ninetyninth。3基数词的用法(1)基数词作表语。
4、My telephone number is 8736153.我的电话号码是8736153。(2)基数词作定语。I have only one hour left.我只剩下一个小时的时间。4序数词的用法(1)序数词可用作定语，修饰名词，其前通常加定冠词the; 但序数词前有名词所有格或形容词性物主代词修饰时，则不能加the。例如：The first day of the week is Sunday.一周的第一天是星期日。Today is my brothers fifth birthday.今天是我弟弟的五岁生日。(2)序数词可以表示日期，日期可简写。例如：Tomorrow is Octob
5、er the fourth/October 4th/October 4.明天是10月4号。二、代词it的用法1A: Whats this? 这是什么？B: It is a hotel.它是一家旅馆。2A: Whats that? 那是什么？B: It is a calendar.它是一本日历。3A: Whats the date today? 今天几号？B: It is January 15.1月15号。4A: Look at my new jacket! 看看我的新夹克！B: It is very beautiful！它很漂亮！5A: Hows the weather today? 今天的天
6、气怎么样？B: It is nice and cool.清爽宜人。6A: Is May your favourite month?五月是你最喜欢的月份吗？B: Yes, it is.是的，它是。以上是教材中出现的含有it的句子。it是一个非常活跃的词，你知道它在什么时候用吗？下面我们一起来探讨一下吧。it多用作代词，其主要用法如下：1指代前面提到过的事物Whats that? 那是什么？Its a cat.它是一只猫。2指人(通常是不知道性别)Theres someone knocking on the door.Whos it?有人在敲门，是谁呢？3表示时间、星期或季节Its seven o
7、clock.7点了。Its Friday today.今天是星期五。4表示距离How far is it from your home to the school?从你家到学校有多远？5表示天气Its cold today.今天天气冷。6表示情况How is it going with you? 你最近情况怎样？.词形转换1eight_(序数词)2twentyone _(序数词)3twelve _(序数词)4thirtieth _(基数词)5first _(基数词).根据句意及汉语提示完成句子1The _(二) man on my left is my good friend.2May is
8、the _(第五) month of the year.3Billy is fourteen years old and in the _(第九) grade.4He will come to see you on the _(第三) day of April.5W.H.Auden is one of the greatest poet born in the _(第二十) century.单项填空()1.Whats the date today?_ is June 26th.AIt BThat CThis DShe()2. October is _ month of the year.Ath
9、e ten Bthe tenthCthe tens Dten()3._ is about 5 kilometres from the park to the zoo.AThis BIt CThat DOne()4.My classmate finds _ difficult to learn English.Ait Bthat Cthis Dtoo()5._ is cool to play basketball with Yao Ming.AThis BThatCIt DThe one()6.There are twelve boys and thirteen girls in Class F
10、our, which means _ students in total(共计)A33 B25 C13 D12()7.Xiao Fang introduced herself to the new students in English in _ lesson.Athe first BfirstCone Da first()8.My grandparents live in an old apartment with _ floors and they are on the _ floor.Afifth; three Bfifth; thirdCfive; three Dfive; third()9.My father gave me a bike on my _ birthday.Aten Ba tenthCthe tenth Dtenth()10.Whats the weather like today?_ sunny and hot.AIts BThatsCThis is DThe weather详解详析【实战演练】.1.eighth2twentyfirst3twelfth4thirty5one.1.second2fifth3ninth4third5twentieth.15ABBAC610BADDA
