小学生四年级英语语法.doc

小学英语语法 -一、 名词名词是表示人或事物名称的词。它既可以表示具体的东西，也可以是表示抽象的东西。 （一）、可数名词和不可数名词所表示的人或事物是可以按个数计算的，这类名词叫可数名词。可数名词 如果名词所表示的事物是不能按个数来计算的，这类名词就叫不可数名词。1、可数名词与不定冠词a(an)连用有数数形式，。以元音开头的单词用an 表示一个如 an arm，以辅音开头的单词用a表示一个如：a triangle2、不可数名词不能与a(an)连用，没有复数形式如meat, rice, water, milk,不能说 a milk，但是可以与 some 连用 如 some milk，some water3、名词复数规则1一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches3以“辅音字母 y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries写出下列各词的复数 I _him _this _her _watch _child _photo _diary _day_ foot_ book_ dress _tooth_ sheep _box_ strawberry _peach_ sandwich _dish_bus_ 二、动词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：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。3. be动词的变化。否定句：主语 be not 其它。否定形式： am not，aret, isnt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, Im 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 dont( doesnt ) 动词原形( 其它)。如：I dont like bread.当主语为第三人称单数时，要用doesnt构成否定句。如：He doesnt 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 dont.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 doesnt.动词 单三的变化规则1一般情况下，直接加-s，如：cook-cooks, milk-milks2以s. x. sh. ch. o结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes3以“辅音字母 y”结尾，变y为i, 再加-es，如：study-studies动词用法专练:一、 写出下列动词的第三人称单数 drink _ go _ stay _ make _look _ have_ pass_ carry _come_ watch_ plant_ fly _study_ brush_ do_ teach_wash_二、用括号内动词的适当形式填空。1. He _(watch) TV at home.2.She _(be) in Class One.3. We _(not watch) TV on Monday.4.Ken _(not go) to the zoo on Sunday.5. What _you_(do) after school?7. He _(read) books every day.8. The girl _(teach) us English on Sundays.9. She and I _(talk) together every day11. Mike _(like) cooking.12. They _(have) a small spoon.14. You _(do) your homework well.after school15. He _(do) his homework well.after school16. She _(go) to school from Monday to Friday.17. Liu Tao _(do) not like PE.18. The child _(watch) TV in the evening.19. Su Hai and Su Yang _(have) eight lessons one day20. What day _(be) it today? Its Saturday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，也可表示当前一段时间内的活动或现阶段正在进行的动作。2现在进行时的肯定句基本结构为be 动词ing.3现在进行时的否定句在be后加not。4现在进行时的一般疑问句把be动词调到句首。动词加ing的变化规则1一般情况下，直接加ing，如：cook-cooking2以不发音的e结尾，去e加ing，如：make-making, taste-tasting3假如末尾是一个辅音字母，一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping现在进行时专项练习：一、写出下列动词的现在分词：make_ like_ write_ dance_ love_ play_ sing _ have_put_ run_let _ sit _ swim _ come _ get_stop_ see_ _do_ begin_ shop_ go_ read_二、用所给的动词的正确形式填空：1.The boy _ ( draw)a square now.2. Listen .Some girls _ ( sing) .3. My mother _ ( cook )some nice food now.4. What _ you _ ( do ) now?5. Look . They _( have) an English lesson .6.They _(not ,water) the flowers now.7.Look! the girls _(dance )in the classroom .8.What is lili doing? She _(listen ) to music.9. Its 6 oclock now. We _(have )breakfast now六、人称代词和物主代词主格宾格形容词性名词性Imemymineyouyouyouryourshehimhishissheherherhersitititsitsweusourourstheythemtheirtheirs习题一.用所给词的适当形式填空 1. That is not _ kite. That kite is very small, but _ is very big. ( I )2. The coat is _. Give it to _. ( she ) 3. Is this _ watch? (you) No, its not _ . ( I )4. _ is my brother. _ name is Jack.二、用am, is, are 填空1. I _ a boy. _ you a boy? No, I _ not. 2. The girl_ Jacks sister. 3. The dog _ tall and fat. 4. The man with big eyes _ a teach