小升初语法讲解一般现在时+专题训练（讲义） 牛津上海版（试用本）英语五年级下册

小升初语法讲解一般现在时 专题训练（讲义） 牛津上海版（试用本）英语五年级下册 知识点讲解 一般现在时基本用法介绍 　　 一般现在时的功能　　 1.表示事物或人物的特征、状态。 如：The sky is blue.　　 2.表示经常性或习惯性的动作。 如：I get up at six every day.　　 3.表示客观事实和普遍真理。 如：The earth goes around the sun. 地球绕着太阳转。　　 一般现在时的变化 1. be动词的变化。 肯定句：主语+be(am, is, are)+其它。 如：He is a worker.　　 否定句：主语+ be + not +其它。 如：He is not a worker.　　 一般疑问句：Be +主语+其它。（第一人称要变第二人称） 如：I am a student. ------ Are you a student? 　 -Yes. I am. / No, I'm not. 　 特殊疑问句：疑问词+一般疑问句。 如：Where is my bike? 　 　 2. 行为动词的变化。 肯定句：主语+行为动词(+其它)。 如：We study English.　 当主语为第三人称单数(he, she, it)时，要在动词后加"-s"或"-es"。 如：Mary likes Chinese. 否定句：主语+ don't( doesn't ) +动词原形(+其它)。 如：I don't like bread. 　　 当主语为第三人称单数时，要用doesn't构成否定句。 如：He doesn't often play football. 一般疑问句：Do( Does ) +主语+动词原形+其它。 如：- Do you often play football? - Yes, I do. / No, I don't. 　　 当主语为第三人称单数时，要用does构成一般疑问句。 如：- Does she go to work by bike? - Yes, she does. / No, she doesn't. 　　 特殊疑问句：疑问词+一般疑问句。 如：How does your father go to work? 主语是第三人称单数时,行为动词的规则变化如下: 1.一般动词在词尾加-s,如: helps， makes， gets， swims，knows， plays，enjoys等 2.以s， x，ch，sh 或o结尾的动词在词尾加-es，如dresses，washes，catches，does等 3.以辅音字母+y结尾的动词，先变y为i，再加-es， 如fly---flies，study--- studies等 专题训练 1．My mother sometimes ______ a taxi to go to work. (   ) A．take B．is taking C．takes D．took 2．If Joe __________ too much spicy food, he will have a stomachache. (      ) A．will eat B．eat C．eats D．to eat 3．If there _____ no trees, many animals _____ their homes and food. (    ) A．is; lose B．is; will lose C．are; lose D．are; will lose 4．—How often _______ she exercise? (   ) —Twice a week. A．do B．does C．doing D．did 5．In the past, Steven ________ fat. Now he ________ thin. (       ) A．is; was B．was; is C．was; was D．is; was 6．In the past, he _____ play football. But now he _____ play football well. (     ) A．was; is B．did; does C．couldn’t;