1 教学内容 知识点一：一般现在时 【知识梳理】 (1)一般现在时的基本结构和变化 1.一般现在时的结构 ①be 动词：主语+be(am, is, are)+其它。 e.g. I am a boy.我是一个男孩。 ②行为动词：主语+行为动词(+其它)。一般现在时主要用动词的原形表示，如果主语是第三人称单数，则在动词原形后加"-s"或"-es" e.g. He gets up early in the morning. 2.否定句和疑问句的变化 ①be 动词的变化： A.否定句：主语+ be + not +其它。 He is not a worker.他不是工人。 B. 一般疑问句：Be +主语+其它。 ---Are you a student? ---Yes. I am. / No, I'm not. C. 特殊疑问句：疑问词+一般疑问句。 Where is my bike? ②行为动词的变化： A.否定句：主语+ don't( doesn't ) +动词原形(+其它)。 I don't like bread. / He doesn't like bread. B. 一般疑问句：Do ( Does ) +主语+动词原形+其它。 ---Do you often play football? --- Yes, I do. / No, I don't. --- Does she go to work by bike? --- Yes, she does. / No, she doesn't. C. 特殊疑问句：疑问词+一般疑问句。How does your father go to work? （注意回顾动词第三人称单数形式变化规则） 一般情况下在词尾加s help→helps, clean→cleans, play→plays, wear→wears, give→gives; 以s, x, ch, sh 结尾的动词在词尾加es dress→dresses, fix→fixes, watch→watches, finish→finishes;以“辅音字母加y”结尾的动词，把 y 变为i，再 study→studies, carry→carries, fly→flies ） (2)一般现在时的用法 • 1.表示经常性或习惯性的动作或行为。常与 always, sometimes, often, usually, never 等副词连用。 e.g. I go to school every day except Saturdays and Sundays. My mother often gets up at 6 o’clock. 2.表示现在的状态，能力，性格，个性。e.g. My father teaches maths. Lin Yan dances well. 3.表示普遍真理或客观事实。e.g. The earth moves around the sun. The sun rises in the east. 【注意】此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。如：Our physics teacher said that light travels much faster than sound. 我们的物理老师...
