不定冠词aan课件

1、Starter Unit1-3Aa Bb Cc Dd Ee Ff Gge i bi: s i: di: i: ef di:Hh Ii Jj Kk Ll Mm Nneit ai dei kei el em enOo Pp Qq Rr Ss Ttu pi: kju: a: es ti:Uu Vv Ww Xx Yy Zzju: vi: dblju: eks wai zeTwenty-six English lettersLetters treeAEIOUFRAHJK/ei/幸福四口之家EBDCGPTV八口大家庭/i:/IY双胞胎之家/ai/UQW幸福三口之家/ju:/FLMNSX七口大家庭/e/ZO

2、孤寡老人/u/R孤寡老人/:/A H J KB C D E G P T VF L M N S X Z I YOQ U WR ei e ai i:ju:Dont forgetandua:字母所含的元音音素归类R冠词a,an的用法a 用在辅音音素开头的单数可数名词前，an用在元音音素开头的单数名词前。如果名词前有修饰语，则以其第一个因素是元音还是辅音而决定用a或an.如： a book an English book an eraser a nice eraser an apple 用 a 或 an 填空。_ map_ pen_ ruler_ orange_ jacket_ apple(苹果)_

3、book(书)_ egg(蛋)_ English map _ desk(书桌)11._ eraser(橡皮檫)12._ picture(图片)13._ old man(老人)14._“ S”15._“ M”16._ “D”17._ “U”18._“A”19._ “H”20._ “R”aaaanaanaananaanaanananaaanananI have a friend. a candy一个糖果 an English book一本英语书 a schoolbag一个书包 an ice cream一支冰淇淋 candy schoolbag ice cream English booka a a

4、n an 以辅音因素开头的单词前加 a以元音因素开头的单词前加 ana toy 一个玩具a key 一把钥匙a picture 一幅画a storybook 一本故事书an egg 一个鸡蛋an arm 一只胳膊an orange 一个橙子an elephant 一头大象I am hungry. Can you help me?绿色圃中小学教育网maths bookEnglish bookChinese bookstorybookWhats in your schoolbag?An English book, a Chinese book, a maths book and three sto

5、rybooks.一本英语书，一本语文书，一本数学书和三本故事书。mission1mission2mission3Mission 1Lets match!studentplaneeyetigerice creameggmission1mission2mission3Mission 2orangeschoolbag notebookmonkeyice creamA: Whats this?B: Its a/an _.A: Whats this?B: Its a / an _.orange schoolbag notebookmonkeyice creamschoolbag orange noteb

6、ookmonkeyA: Whats this?B: Its a/an _.ice creamorange A: Whats this?B: Its a / an _.schoolbag notebookmonkeyice creamorange A: Whats this?B: Its a/an _.schoolbag notebookmonkeyice creamorange A: Whats this?B: Its a / an _.schoolbag notebookmonkeyice creamA: Whats this?B: Its a/an _.orange schoolbag n

7、otebookmonkeyice creamA: Whats this?B: Its a / an _.orange notebookmonkeyschoolbag ice creammission1mission2mission3Mission 3aaanaan1. Im _ student. I have _ schoolbag. Look! This is _ English book. I have _ pencil box, there is _eraser, _ pen and _ ruler.aaa2. There is _ Zoo near my school. Wow! Th

8、ere is _ tiger, _ lion and _ panda. Whats that? Its _ elephant. Look! Its _ bird. I like it. aaaanamission1mission2mission3口诀单数可数名词是秃子，不要忘了给它戴帽子，两种帽子 a 和 an，辅音因素前加 a，元音因素前加 an。1. Identify things: -Whats this/that in English? - Its an orange. - Spell it, please. -O-R-A-N-G-E.a mapa rulera jacketa key

9、a quilta orangea pena cupWhats this in English?Its a quilt. an orange. a pen.a jacket. a ruler. a key.blueyellowwhiteredblackgreencolor1. Whats=What is “是什么”。英语中用来提问的特殊疑问词总是放在句子的开头，这点与汉语不同，同学们在学习时要特别注意英语的词序。如：What is your name? 你叫什么名字？2. its =it is，意为“它是”。常见的缩写形式还有：Whats=what is thats =that isWhos=w

10、ho is lets=let us注意：this和is之间没有缩写形式。完全形式与缩写形式Spell it, please这是一个用来考查别人拼写（读）能力的句式。用于别人提到的单词，自己不知如何拼写，让对方指出这个单词由哪几个字母组成。如： Whats this?这是什么？ Its an orange. 它是一个橘子。 Spell it, please. 请拼写它。 O-R-A-N-G-E. 2. please用在祈使句中表示礼貌或客气，可置于句首，也可置于句末，置于句末时，前面要用逗号，意为“请”。如：Sit down, please.=Please sit down.请坐Please stand up.请站起来。内容详解2. What color is it? 它是什