（译林版）暑假衔接三升四英语·语法提优2

暑假连接三升四语法提优2·名词的复数学问精讲英语中的可数名词有单数和复数之分,复数形式的变化规章如下:一、可数名词复数的规章变化1.一般状况下直接在名词词尾加"s"。如:cat→cats,friend→friends。2.以"s、x、ch、sh"结尾的可数名词,应当在词尾加"es"。如:bus→buses,box→boxes,watch→watches,brush→brushes。3.以"辅音字母+y"结尾的可数名词,应当先变"y"为"i"再加"es"。如:library→libraries,baby→babies。4.以"o"结尾的可数名词,有生命的名词加"es",无生命的名词加"s"。如:tomato→tomatoes,photo→photos。5.以"f"或"fe"结尾的可数名词,多数状况下应当变"f"或"fe"为"ves"。如:knife→knives。二、可数名词复数的不规章变化1.单复数同形。如:sheep→sheep,deer→deer,Chinese→Chinese,Japanese→Japanese,Swiss→Swiss。2.其他形式的不规章变化。如:man→men,woman→women,child→children。3.以man和woman修饰名词构成的合成词变复数时,两个词都要变化。如:womandoctor→womendoctors。三、s在名词词尾的读音规章1.在/p/、/t/、/k/、/f/等清辅音后读作/s/,如:cups,hats,cakes,roofs。2.在/s/、/z/、/ʃ/、/tʃ/等音素后读作/ɪz/,如:glasses,faces,roses。3.在其他状况下读作/z/,如:days,cities,knives。4.th在词尾原本应当读作/θ/,加s后则多数读作/ǒz/。如:mouth→mouths,path→paths;但是也有不变化的状况,如:month→months;ninth→ninths;youth→youths。

进阶训练一、推断下列每组单词画线部分的读音是（T）否（F）相同。（）1.A.robotsB.thisC.books（）2.A.birdsB.blackboardsC.beds（）3.A.rulersB.rubbersC.parrots（）4.A.cowsB.applesC.pears（）5.A.boysB.cousinsC.chairs二、依据句意及图片提示完成句子。1.Look!Wehavethree__________.2.These____________aretooheavy.Wecan'tcarrythem.3.A:Whoarethey?B:They'remyaunt's__________.4.A:Whatwouldyoulike?B:I'dlikesome_________.三、单项选择。（）1.Look!There_________onthewall.Theyareverybeautiful.A.isapictureB.aresomepictureC.aresomepictures（）2.There_______some_______intheriver.A.is;fishB.are;fishsC.are;fishes（）3.The_____________areinthelibrary.A.teachersB.teacher'sC.teacheres（）4.Ihavetwotoy_______.A.bussB.busesC.bus（）5.Therearefifty__________inourschool.A.womenteacherB.womanteachersC.womenteachers四、用所给内容的正确形式填空。1.Icanseefive___________（crayon）.2.Lookatthese____________（man）.3.Iseesome____________（child）.4.A:Aretheseyour_________________（pencilcase）?B:Yes,theyare.5.Therearethree___________________（library）inourschool.五、依据上下文,用所给词的适当形式填空。I'mLiuTao.Iama______________（boy）.I'mten.Ihavetwo___________（friend）,GaoShanandYangLing.GaoShanisnine.YangLingiseleven.Ihavetwelve__________（crayon）,four___________（pencil）,five__________