1 9年级英语语法小学必备知识

一般情况，直接加-s，如：book-books,bag-bags,cat-cats,bed-s.x.sh.ches，如：bus-buses,box-boxes,brush-brusheswatch-以“辅音字母+yyies，如：family-families,strawberry-以“ffeffev,es，如：knife-man-men,woman-women,man-men,woman-women,mouse-micechild-children,foot-feet,tooth-teeth,fish-fish,people-people,-,Japanese-paper,juice,water,milk,rice,teasLucy’srulermyfather’s以shisfriends’s’schildren’sTomandMike’s Tom’sandMike’scars apictureoftheclassroomamapof不定冠词：aanaunitananegg/anapple/anorange/aneraser/ananswer/anIDcard/armclock/anactor/anactress/an/anaddress/anevent/anexample/anopera/anhouranoldman/aninterestingbook/anexcitingsport/anactionmovie/anartlesson/定冠词：thetheeggthe2.(1Therulerisonthe(2)复述上文提到的人或物：Hehasasweater.Thesweaterisnew.(3)谈话双方都知道的人或物：Theboysaren’tatschool.(4John’sbirthdayisFebruarythesecond.(5)用于固定词组中：inthemorningafternoonevening(1)专有名词前：isabig(2)名词前有定语：thisthatmyyoursome,anynoThisismy(3)复数名词表示一类人和事：Monkeyscan’tswim.Theyareteachers.(4)在节日，日期，月份，季节前：TodayisChristmasDay.It’sSunday.(5)一日三餐前：Wehavebreakfastat6:30.(6)球类棋类前：Theyoftenyfootballafterclass.Heyschessat*但乐器前要用定冠词：Iytheguitarverywell.(7)学科名称前：Myfavoritesubjectismusic.(8)在称呼或头衔的名词前：ThisisMrLi.(9)固定词组中：atnoonatnightbybus人称单数I(我)memy(我的)复数⑵以字母ergood-betterbeautiful-morebeautiful586→fivehundredandeighty-six，803→eighthundredandmillionbillion1，001→housandandone18，423→eighteenthousand，fourhundredandtwenty-6，260，309→sixmilliontwohundredandsixtythousandthreehundredandnine750，000，000，000→sevenhundredandfiftybillion一般在基数词后加thtwenty→twentieth，forty→fortieth，ny→ntwenty-first，twohundredandforty-五、介词：常用介词：inonat,behindat(on)theweekend在周末---特指at(on)weekends在周末---泛指overtheweekend在整个周末duringtheweekend在周末期间Onreachingthecityhecalleduphis 续。be动词：主语+be(am,is,are)+其它。如：Iamaboy.我是行为动词：主语+行为动词(+其它)。如：WestudyEnglish.我们学习英语。当主语为第三人称单数(heshe,it)时，要在动词后加"-s"或"-es"。如：Mary动词+s的变化规则,s.xsh.ch.oes，如：guess-guesses,wash-washeswatch-watches,edworkedlearnedcleaned②以edliveddanced③以辅音字母加yyied(此类动词较少)如study–studiedcarry–carriedworry–worried(注意y、stay不是辅音字母加y,所以不属于此sing–sang,eat–atesee–saw,have–had,do–did,go–went,take–took,buybought,get–got,read–read,fly–flew,am/is–wasare–were,say–said,leave–left,swim–swam,l–told,–drew,come–came,lose–lost,find–found,drink–drank,hurtfeelfelt①begoingto+②will+do.begoingto=IamgoingtogoswimmingtomorrowIwillgoswimming①一般的直接在后面加上ing,如ng,going,working,singing,eeinghavingrunningswimmingsitting肯定句：是指用肯定的语气来陈述的句子，如：I’mastudent.Sheisadoctor.Heworksinahospital.Therearefourfansinourclassroom.Hewilleatlunchat12:00.IwatchedTVyesterdayevening.、否定句：含有否定词或表示否定意义词的句子，如：I’mnotastudent.Shenot(isn’t)aHedoesnot(doesn’t)workinahospital.Therearenot(aren’t)fourfansinourclassroom.Hewillnot(won’t)eatlunchat12:00.Ididnot(didn’t)watchTVyesterday特殊疑问句：以特殊