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1、一般现在时讲解与练习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。构成: 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"-
2、es"或变“y”为“ies”如:Mary likes Chinese.玛丽喜欢汉语。Miss Gu teaches us English. 顾老师教我们英语。 She studies Chinese every day.她每天学习语文。否定句、一般疑问句、特殊疑问句:1. be动词的变化。 否定句:主语+ be + not +其它。 如:He is not a worker.他不是工人。一般疑问句:Be +主语+其它。 如:-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:Whe
3、re is my bike?2.行为动词的变化。 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. 一般疑问句:Do( Does ) +主语+动词原形+其它。如:- Do you often play football? - Yes, I do. / N
4、o, 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?一般现在时的动词形式 一般现在时主要由动词原形表示,但第三人称单数后的动词词尾有所变化。第三人称单数动词词尾的变化有几种形式:一般情况 加-s reads, says
5、, takes 以ch, sh, s, x, 或o结尾的词 加-es teaches, washes, goes, misses, mixes 以辅音字母加y结尾的词 变y为i再加-es studies, cries, carries 一般现在时:表示站在“现在”这个时段叙述一般情况下发生的事情或状态, 经常性或习惯性的动作。 用法:(1)Be型句子(即句子里动词为am或is或are)以be为助动词,注意主谓搭配 例:He is a teacher. → Is he a teacher? Yes, he is. / No, he isn’t → What is his j
6、ob? I am / You are / He is / She is / It is / We are / You are / They are(2) 行为动词句子(do型) Ⅰ 主语为第一,第二人称及复数,助动词为do (don’t). My parents like watching TV in the evening. → Do your parents like watching TV in the evening? Yes, they do. / No, they don’t. → What do they do in the evening? Ⅱ
7、若人称为第三人称单数,助动词为does (doesn’t), 肯定句(仅肯定句)时动词要有变化,否定句与疑问句动词不变(基本同名词复数变化)与上面的一组句子比较。My father likes watching TV. → Does your father like watch TV ? Yes, he does. / No, he doesn’t. → What does your father do in the evening?一般现在时动词口诀: 肯定句:单数开头S形式