仁爱英语七年级下册Unit 5重要知识点及练习.ppt

重点语法　一般现在时 （常与频度副词never, seldom, sometimes, often,usually, always等连用） 重点句型　 —How do you usually come to school? —I usually come to school by subway. —How often do you go to the library? —Once/Twice/Three times a week/Very often/Every day/Sedom ; 一般现在时表示： （1）现在所处的状态。Jane is at school. （2）经常或习惯性的动作。I often go to school by bus. （3）主语具备的性格和能力。He likes playing football. （4）客观真理。The earth goes round the sun. 常用的时间状语：often, always, usually, sometimes, every day等等。 ;行为动词的一般现在时， 助动词是do/don’t和does/doesn’t. 当主语是第一、二人称和所有复数形式时， 行为动词用原形。 肯定式：I go to school on foot. 否定式：I don’t go to school on foot. 疑问式：Do you go to school on foot? —Yes, I do. —No, I don’t. 当主语是第三人称单数时，动词用第三人称单数形式，在词尾加-s或-es。 肯定式：He goes to work by bus. 否定式：He doesn’t go to work by bus. 疑问式：Does he go to work by bus? —Yes, he does. —No, he doesn’t. ;重点详解 1.I always come to school by bus. by+交通工具名称，表示使用某种交通方式，中间不加限定词，如果交通工具前有a, the, my 等限定词，就不能用by,而是用in或是on. on the train=by train on his bike=by bike in my car=by car. 巧辩异同　on foot 与 walk on foot “走路”，是介词短语，不能作谓语，只作方式状语，位于句末。walk “走路”,是动词，可以作谓语。 go to…on foot= walk to I often go to school on foot. =I often walk to school. ; go to….by bike = ride a bike to 。。。 go to…. by car = drive a car to 。。。 go to … by plane = fly to 。。。 go to… by bus = take a bus to。。。 2 .Come on! It’s time for class. come on “快点，加油，来吧”。 It’s time for sth. “该做某事了”， It’s time for doing sth与 It’s time to do sth.意思一样。 3 .look的短语 look the same看起来一样　　　look like看起来像…… look for寻找 look after 照顾; 4 .do my homework at school 在学校做作业 　do one’s homework 做家庭作业（注意：one’s 要随主语的变化而变化，常用形容词性物主代词my, your, their, our, his, her等）。 5 know about “了解，知道关于…”。 6 巧辩异同　 a few与few 修饰可数名词 。a few “一些”，few“很少，几乎没有”，（表示否定） a little与little 修饰不可数名词。　a little“一些”，little“很少，几乎没有”，(表示否定);7 They often play basketball or soccer, go swimming and s