广州小学四年级英语语法小结 3页

现在进行时由　“人名/代词+Be+动词ing.”　表示表示说话时正在进行的动作.通常跟Look,Listen,Now等词连用.时态基本结构(以read为例)问句否定句现在进行时IamreadingHe/She/ItisreadingWe/They/YouarereadingAmI…?IsHe/She/It…?AreWe/They/You…?No,Iamnot.No,He/She/ItisnotNo,We/They/Youarenot基本结构：Thestudentsareplayingfootballnow.问句：Arethestudentsplayingtabletennisnow?否定句：No,theyarenot.一般现在时由“人名／代词　+动词（原形／动词＋-s/-es）表示由“人名／代词　+　have/has+…表示表示经常性或习惯性的动作，动词常与often（经常）,always（总是）,usually（通常）,everyday（每天）,sometimes（有时）,everymorning(每天早上)，OnSunday(星期天)等时间词连用。时态Be动词形式（以为例）have问句一般现在时Iamastudent.He/She/Itisastudent.We/They/youarestudent(s).Itellhim…He/She/IttellshimWe/They/youtellhimIhaveabook.He/She/Ithasabook.We/They/youhaveabookDoIplay?Doeshe/she/itplay?Dowe/they/youplay?Iamastudent./Sheisateacher./Wearestudents.Thegirlhasblueeyes.Tomwritestohermotherononceaweek(汤姆每周都给他妈妈写信)Heoftendoeshishomeworkintheevening.ThechildrenstudyEnglisheveryday.Dotheyoftenplayfootball?No,theydon’t./Yes,theydo.Doesheplaytabletennis?No,hedoesn’t./Yes,hedoes.加s/es情况：情况变化规则例词一般情况加-sCome-comes,work-works,say-says,play-plays以o,s,x,ch,sh结尾的词加-esPass-passes,do-does,watch-watches,teach-teaches以辅音加y结尾的词变y为i，再加-esFly-flies,study-studies,cry-cries 数词数词是表示数目和顺序的词，分为基数词和序数词两种。基数词表示数量，序数词表示顺序。基数词：第一组1-one,2-two,3-three,4-four,5-five,6-six,7-seven,8-eight,9-nine,10-ten,11-eleven,12-twelve第二组13-thirteen,14-fourteen,15-fifteen,16-sixteen,17-seventeen,18-eighteen,19-nineteen.第三组20-twenty,21-twenty-one,30-thirty,40-forty,50-fifty,60-sixty,70-seventy,80-eighty,90-ninety第四组100-onehundred(百)，1,000-onethousand（千）,10,000-tenthousands（万）,million（百万）序数词：１）、在基数词后直接加-th.Four-fourth　(第四)six-sixth　（第六）seven-seventh　（第七）２）、几个不规则的序数词：First(第一)　second　（第二）　third（第三）　fifth　（第五）　eighth　（第八）Ninth　（第九）　twelfth（第十二）年、月、日、星期的表示方法：１）某年：1998――nineteenninety-eight1990——nineteenhundredninety2005——twothousandandfive２）月份：１月——January(Jan.)２月——February(Feb.)３月——March(Mar.)４月——April(Apr.)５月——May６月——June７月——July８August(Aug.)September(Sept.)October(Oct.)November(Nov.)December(Dec.)３）某年某月某日某月某日中的“某日”用序数词，序数词前可加“the”，也可不加５月１日：　Mayfirst./thefirstofMay.英语中年、月、日的读法顺序是：月、日、年。２００８年７月１日：Julyfirst,twothousandandeight(写作July1,2008)在以阿拉伯数字表示某年某月时，英国人和美国人表达习惯不一样。 如：　１／８　　英国人：　Ａugustfirst.美国人：Januaryeighth.