不定冠词a-an

StarterUnit1-3AaBbCcDdEeFfGg[ei][bi:][si:][di:][i:][ef][dʒi:]HhIiJjKkLlMmNn[eitʃ][ai][dʒei][kei][el][em][en]OoPpQqRrSsTt[əu][pi:][kju:][a:][es][ti:]UuVvWwXxYyZz[ju:][vi:][‘dʌblju:][eks][wai][ze]Twenty-sixEnglishlettersAHJK/ei/EBDCGPTV/i:/IY/ai/UQW/ju:/FLMNSX/e/ZO/əu/R/ɑ:/AHJKBCDEGPTVFLMNSXZIYOQUWR[ei][e][ai][i:][ju:]Don’tforgetand[əu][a:]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：abookanEnglishbookaneraseraniceeraseranapple用a或an填空。1.______map2.______pen3.______ruler4.______orange5.______jacket6.______apple(苹果)7.______book(书)8.______egg(蛋)9.______Englishmap10.______desk(书桌)11.______eraser(橡皮檫)12.______picture(图片)13.______oldman(老人)14.______“S”15.______“M”16.______“D”17.______“U”18.______“A”19.______“H”20.______“R”aaaanaanaananaanaanananaaanananIhaveafriend.acandy一个糖果anEnglishbook一本英语书aschoolbag一个书包anicecream一支冰淇淋candyschoolbagicecreamEnglishbookaaanan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anatoy一个玩具akey一把钥匙apicture一幅画astorybook一本故事书anegg一个鸡蛋anarm一只胳膊anorange一个橙子anelephant一头大象Iamhungry.Canyouhelpme?mission1mission2mission3Mission1studentplaneeyetigericecreameggmission1mission2mission3Mission2orangeschoolbagnotebookmonkeyicecreamA:What’sthis?B:It’sa/an______.A:What’sthis?B:It’sa/an______.orangeschoolbagnotebookmonkeyicecreamschoolbagorangenotebookmonkeyA:What’sthis?B:It’sa/an______.icecreamorangeA:What’sthis?B:It’sa/an______.schoolbagnotebookmonkeyicecreamorangeA:What’sthis?B:It’sa/an______.schoolbagnotebookmonkeyicecreamorangeA:What’sthis?B:It’sa/an______.schoolbagnotebookmonkeyicecreamA:What’sthis?B:It’sa/an______.orangeschoolbagnotebookmonkeyicecreamA:What’sthis?B:It’sa/an______.orangenotebookmonkeyschoolbagicecreammission1mission2mission3Mission3aaanaan1.I'm___student.Ihave___schoolbag.Look!Thisis____Englishbook.Ihave____pencilbox,thereis____eraser,___penand____ruler.aaa2.Thereis___Zoonearmyschool.Wow!Thereis___tiger,___lionand___panda.What'sthat?It's___elephant.Look!It's___bird.Ilikeit.aaaanamission1mission2mission3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.Identifythings:＊--What’sthis/thatinEnglish?--It’sanorange.＊--Spellit,please.--O-R-A-N-G-E.amaparulerajacketakeyaquiltaorangeapenacupWhat’sthisinEnglish?It’saquilt.anorange.apen.ajacket.aruler.akey.blueyellowwhiteredblackgreencolor1.What’s=Whatis“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：Whatisyourname?你叫什么名字？2.it’s=itis，意为“它是”。常见的缩写形式还有：What’s=whatisthat’s=thatisWho’s=whoislet’s=letus注意：this和is之间没有缩写形式。完全形式与缩写形式Spellit,please1.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：What’sthis?这是什么？It’sanorange.它是一个橘子。Spellit,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：•Sitdown,please.•=Pleasesitdown.请坐•Pleasestandup.请站起来。内容详解2.Whatcolorisit?它是什么颜色？本句中color为名词，意为“颜色”，也可写作colour.询问某物的颜色，---Whatcoloristhekey?这把钥匙是什么颜色的？---It’syellow.是黄色的。补充：color可用作动词，意思是“给……涂颜色、着色|，如：Coloritwhite,please.请把它涂成白色。