文档介绍：一、be(am、is、are)的基本用法:我(I)用am,你(you)用are,is用于他(he)她(she)它(it),单数用is复数用are,否定句在be后加not,一般疑问句将be提前。回答:Yes,人称代词+be./No,人称代词+be+:1). . --?  --Yes,heis./No,heisn’)Iamastudent.  Iamnotastudent. --Areyouastudent? --Yes,Iam./No,)Theyareteachers. Theyarenotteachers.--Aretheyteachers?  --Yes,theyare./No,theyaren’?          ?      4.--______theyfromJapan?--Yes,?   ,.--Who____this?--This_____WangKang..9.--____youastudent? --Yes,.--Where_______Beijing?--.--___RonaldoaBrazilian?--Yes,.“I”______alsoaletter.         .     、可数名词的复数:(1)规则变化1)一般在名词词尾加—s如:car----cars;apple---apples  2)以s,x,ch,sh结尾的词,在词尾加---es如:box---boxes;bus---buses;watch---watches. 3)以辅音字母+y结尾,变y为i再加es,如:family---families. 4)以fe、f结尾,变fe、f为v再加es,如:life---、可数名词的复数:(2)不规则变化:如:mouse---mice;tooth---teeth;foot---feet;Chinese---Chinese,Japanese---Japanese;man---men;woman---women;child---                                           、a,an的用法:a/an都表示“一,一个”,单词以元音读音开始的,我们在前用an,单词以辅音读音开始的,我们在前用a如:anapple/aninterestingbook;/anEnglishboy/.---What’sthat?.---It’s______egg.                              C./            .----What'sthatinEnglish  ---It''s___orangecar. ,an      ,a        ,a        ,. ;an  ;an    ;the    ;.                         D./四、重点句型和短语:(1)eto+地方(efrom=befrom (3)-What’sthisinEnglish? --It’sanorange.--What’sthat? --It’sanegg.--Whatarethese?--Theyarebuse