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河南专升本公共英语之——一般现在时专项练习详解
基本用法:
1.表示事物或人物的特征、状态。如:The sky is blue.天空是蓝色的。
2.表示经常性或习惯性的动作。如:I get up at six every day.我每天六点起床。
3.表示客观现实。如:The earth goes around the sun.地球绕着太阳转。
一般现在时常用下列副词或短语来作时间状语: often, usually, always, sometimes , seldom, every day(week, year, night), twice a month
例句: I often visit my teachers. 我经常看望我的老师。
例句: They do morning exercises every day. 他们每天做早操。
基本结构:
1. be动词:主语+be(am,is,are)+其它。如:I am a boy.我是一个男孩。
2.行为动词:主语+行为动词(+其它)。如:We study English.我们学习英语。
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.玛丽喜欢汉语。
动词变化:
1. be动词的变化。
①否定句:主语+ be + not +其它。如:He is not a worker.他不是工人。
②一般疑问句:Be +主语+其它。如:-Are you a student? -Yes. I am. / No, I'm not.
③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。
①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.
②一般疑问句: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.
③特殊疑问句:疑问词+一般疑问句。如:How does your father go to work?
变化规则:
1. 一般情况下,直接加-s,如:cook-cooks, milk-milks work -> works
2. 以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes
3. 以“辅音字母+y”结尾,变y为i, 再加-es,如:study-studies carry -> carries
4. have -> has