小学四年级英语知识点总结英语语法总结
一、名词复数规则
1. 一般情况,直接加-s,如:book-books, bag-bags, cat-cats
2. 以s. x. sh. ch结尾,加-es,如:bus-buses, box-boxes, watch-watches(手表)
3. 以“辅音字母+y”结尾,变y为i, 再加-es,如:family-families, strawberry-strawberries 但boy-boys
4. 以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-knives leaf-leaves
5. 以o结尾 有生命的加es 无生命的加s,如:potato-potatoes tomatoes photo-photos
piano-pianos
不规则名词的复数:man-men, woman-women, policeman-policemen,
policewoman-policewomen, child-children, foot-feet, tooth-teeth, fish-fish, people-people,
Chinese-Chinese, goose-geese
不可数名词没有复数形式: paper, juice, water, milk, rice, tea
在具体句子中我们应该把不可数名词当成单数看待
二、一般现在时
一般现在时的功能
、状态。如:The sky is 。
。如:I get up at six every 。
。如:The earth goes around the 。
一般现在时的标志词:often, usually, sometimes, every等
一般现在时的构成
主语+动词原形。
如: We study English. 我们学习英语。
当主语为第三人称单数(he, she, it,my father等)时
主语(三单)+动词的三单形式(要在动词后加?屳或?獥)
如:Mary likes 。
一般现在时的变化
否定句:主语+ don't( doesn't ) +动词原形(+其它)。 如: I don't like bread. He doesn't like
bread, too.
一般疑问句:Do( Does ) +主语+动词原形+其它。 如: Do you go to school by bike? 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 school by
bike? Yes, she does. / No, she doesn't.
特殊疑问句:特殊疑问词+一般疑问句。如:How dou you go to school? How does your father go
to work?
动词的第三人称单数的变化规则.
1.一般情况下,直接加-s,如:cook-cooks, make-makes
2.以s. x. sh. ch. o结尾,加-es,如: 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 但play-plays
不规则变化
have-has
三、现在进行时
1.现在进行时 表示现在正在进行或发生的动作。
2.现在进行时的肯定句
基本结构:主语+be+ 动词ing. 如: I am eating.
现在进行时的否定句
基本结构:主语+be not + 动词ing. 如: I am not eating.
现在进行时的一般疑问句
基本结构: be动词 +主语 +动词ing. 如: Are you eating?
现在进行时的特殊疑问句
基本结构:特殊疑问词+ be +主语+动词ing?
如:What are you eating?
动词的ing形式(动
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