形容词和副词比较级的构成

1、 bigger younger bigger longer tallerbigyoungbiglongtall nice nicer heavyheavier形容词和副词比较级的构成：一般在词尾加一般在词尾加-er e.g. cool-cooler, long-longer以字母以字母e结尾的形容词，加结尾的形容词，加r e.g. nice-nicer, late-later重读闭音节词应重读闭音节词应双写最后一个字母，再加，再加er, e.g. big-bigger, hot-hotter1. 以以“辅音字母辅音字母+y”结尾的双音节词，先结尾的双音节词，先改y为i, 再加er e.g. h

2、appy-happier, early-earlier big cheap young high heavy nice tall light old easybigger cheaper younger higher heavier nicer taller lighter older easier long short small late early new safe hard thirsty happy longer shorter smaller later earlier newer safer harder thirstier happierLin Tao: fastJim:fas

3、terLilei: fasterJim is faster than Lin Tao.Li Lei is faster than Jim.主语主语+be+be+形容词比较级形容词比较级+ +thanthan + +被比较对象被比较对象 变比较级形式前有甲、后有乙中间来个比较级。比较级前用个be，比较级后用个比（than）。原级变成比较级，er结尾要牢记；一般情况直接加，单辅重闭双写加；辅音加y变i加，以e结尾去e加；少数部分双音节，规则如同单音词。其余双音多音节，词前加more就可以；不规则词没几个，它们需要特殊记。 形容词、副词形容词、副词 级别级别口诀口诀 A bus is faster

4、than a bike.A bike is slower than a bus.A train is slower than an airplaneairplane.An airplaneairplane is faster than a train.A car is slower than a plane.A plane is faster than a car.A taxi is faster than a bike.A bike is slower than a taxi.How do they want to go to Beijing? Why?They want to go to Beijing by train.Because a train is slower than a plane but faster than a bus and its cheaper than a plane. 乘坐飞机 乘坐公共汽车 乘坐火车 by plane take a bus by bus take a train乘坐 take by(动词)(介词)与表示交通工具的名词搭配时，名词前要使用冠词与表示交通工具的名词搭配时，名词前不加冠词e.g. 1) 我乘坐公共汽车上学。I go to school by bus.I take a bus to sch