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小学英语语法知识汇总
一、名词复数规则:
1.一般情况下,直接加-s,如:book-books, bag-bags, cat-cats, bed-beds
2.以 s、x、sh、ch 结尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches
3.以“辅音字母 y”结尾,变 y 为 i, 再加-es,如:family-families, strawberry-strawberries
4.以“f 或 fe”结尾,变 f 或 fe 为 v, 再加-es,如:knife-knives,leaf——leaves
5.不规则名词复数:man-men,woman-women, policeman-policemen,policewoman-policewomen,child-children,foot-feet,tooth-teeth,fish-fish, bread-bread, rice-rice, people-people, Chinese-Chinese, Japanese-Japanese
二、一般现在时:
*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.我天天六点起床。
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.
非疑问句: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o( 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.
*动词 s 的变化规则:
1.一般情况下,直接加-s,如:cook-cooks, milk-milks
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 |
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