初中英语八年级上册语法练习题

初中英语八年级上册语法练习题初中英语八年级上册的语法学习围绕时态运用、词性变化、句式结构展开，以下结合教材核心语法点设计练习题，帮助同学们巩固知识、提升运用能力。一、一般现在时的频率表达与“Howoften”疑问句知识点：频率副词（always/usually/often/sometimes/hardlyever/never）描述动作发生的频率；“Howoften...”引导的特殊疑问句询问频率，回答常用“once/twiceaweek”等短语。例题—Howoftendoyouplaybasketball?—Iplayit______(two)aweek.练习题1.She______(usual)goestoschoolat7:30,buttodaysheleftat8:00.2.—Howoftendoesyourmothershop?—Sheshops______amonth(one).3.I______(hard)evereatjunkfoodbecauseit’sunhealthy.二、情态动词“should”的健康建议用法知识点：“should+动词原形”表建议、义务（“应该做”）；“shouldn’t+动词原形”表“不应该做”，常用于健康、行为建议。例题Youhaveacold.You______(should)stayuplate.（用否定形式）练习题1.Ifyouwanttobethin,you______eattoomuchchocolate.(shouldn’t)2.—Ihaveaheadache.What______Ido?—You______seeadoctor.(should)3.We______(should)bequietinthelibrary.三、形容词和副词的比较级知识点：单音节词（如tall,fast）：词尾加-er；多音节词（如interesting,carefully）：加more；不规则变化：good→better,bad→worse,well→better,badly→worse。结构：A+be+比较级+than+B/A+实义动词+比较级+than+B。例题Tomis______(tall)thanhiscousin.练习题1.Mysisterruns______(fast)thanme.2.Thismovieis______(interesting)thanthatone.3.YourEnglishisgetting______(good)and______(good).四、形容词和副词的最高级知识点：单音节词：词尾加-est（前加the）；多音节词：加most（前加the）；不规则变化：good→best,bad→worst,well→best。结构：A+be+the+最高级+in/of...（表范围）。例题Thisis______(exciting)gameI’veeverwatched.练习题1.Heis______(funny)boyinhisclass.2.Whosings______(well)inyourschool?3.TheGreatWallisoneof______(famous)placesintheworld.五、一般将来时（begoingto+动词原形）知识点：表计划、打算做某事，或根据迹象预测即将发生的事；结构：主语+am/is/are+goingto+动词原形。例题I______(visit)myauntnextweekend.（用begoingto结构）练习题1.Lookatthesky!It______(rain).Let’stakeumbrellas.2.—What______you______(do)afterschool?—I______(go)tothelibrarytostudy.3.She______(notgo)totheparty.Shehastofinishherhomework.六、一般将来时（will+动词原形）知识点：表意愿、预测（无明确计划），结构：主语+will+动词原形；否定式为“won’t+动词原形”。例题Ithinkit______(snow)tomorrow.练习题1.—______you______(help)mewithmymath?—Sure,I______.2.He______(notgo)tobedlatetonight.Heneedstogetupearly.3.—Willthereberobotsinourhomes?—Yes,there______.Andthey______(help)usdohousework.七、条件状语从句（“主将从现”）知识点：if引导的条件状语从句中，主句用一般将来时，从句用一般现在时表将来（“如果……，就会……”）。例题Ifit______(rain)tomorrow,we______(notgo)tothepark.练习题1.Ifyou______(study)hard,you______(get)goodgrades.2.She______(call)youifshe______(arrive)inShanghai.3.Ifhe______(notfinish)hiswork,he______(stay)attheoffice.八、祈使句与“howto”结构知识点：祈使句：以动词原形开头，表命令、建议（否定式：Don’t+动词原形）；“howtodosth.”：“疑问词+不定式”结构，作宾语。例题______(be)quietintheclassroom.（肯定祈使句）练习题1.______(noteat)inthelibrary.It’sagainsttherules.2.Canyoutellme______(make)afruitsalad?3.______(turn)leftatthesecondcrossing,andyou’llseethehospital.九、情态动词“can”表邀请与应答知识点：“Canyou...?”表邀请；肯定回答：“Sure,I’dloveto.”；否定回答：“I’msorry,Ican’t.Ihaveto...”（说明原因）。例题—______,I’d______to.ButI______(have)apianolesson.练习题1.—Canyougotothemovieswithmetonight?—______,Ican’t.I______(look)aftermylittlesister.2.—Canhejoinusfordinner?—Yes,he______.He______(be)freeafter6:00.3.—Canweplaybasketballafterschool?—______,you______.Let’smeetat5:00.答案与解析（部分示例）一、一般现在时1.usually（副词修饰动词goes）；2.once；3.hardly二、情态动词should1.shouldn’t；2.should;should；3.should三、比较级1.faster；2.moreinteresting；3.better;better四、最高级1.thefunniest；2.(the)best；3.themostfamous五、begoingto结构1.isgoingtorain（乌云是下雨的迹象）；2.are;goingtodo;amgoingtogo；3.isn’tgoingtogo六、will结构1.Will;help;will；2.won’tgo；3.will;willhelp七、主将从现1.study;willget；2.willcall;arrive