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.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。
一般现在时的构成
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"-es"。如:Mary likes Chinese.玛丽喜欢汉语。
一般现在时的变化
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:Where 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. / 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?
小结:
通常用时间状语 “usually, often, every day, sometimes”。
肯定句:
I go to school on foot every day.
She goes to school on foot every day.
一般疑问句:
Do you jump high? Yes, I do. / No, I don’t.
Does he jump high? Yes, he does. / No, he doesn’t.
否定句: We don’t go to school on Sundays.
My mother doesn’t like watching TV in the evening.