六年级英语语法知识.docVIP

语法知识3A - 6B Grammar1.人称代词主格： I we you she he it they宾格： me us you her him it them形容词性物主代词：my our your her his its their名词性物主代词： mine ours yours hers his its theirs2.形容词和副词的比较级(1) 一般在形容词或副词后+erolder taller longer stronger, etc(2) 多音节词前+moremore interesting, etc.(3) 双写最后一个字母，再+erbigger fatter, etc.(4) 把y变i，再+erheavier, earlier(5) 不规则变化：well-better, much/many-more, etc.3.可数词的复数形式Most nouns + s a book –booksNouns ending in a consonant +y - y+ ies a story—storiesNouns ending in s, sh, ch or x + es a glass—glasses a watch-watchesNouns ending in o +s or +es a piano—pianos a mango—mangoesNouns ending in f or fe - f or fe +ves a knife –knives a shelf-shelves4.不可数名词(单复数形式不变)bread, rice, water ,juice etc. 5. 缩略形式I’m = I am you’re = you are she’s = she is he’s = he isit’s = it is who’s =who is can’t =can not isn’t=is not etc6. a/ana book, a peachan egg an hour7. Preposition:on, in ,in front of, between, next to, near, beside, at, behind.表示时间： at six o’clock, at Christmas, at breakfaston Monday on 15th July On National Dayin the evening in December in winter8. 基数词和序数词one – first two-second twenty-twentieth9. Some /anyI have some toys in my bedroom.Do you have any brothers or sisters?10. be 动词(1) Basic form: am/are/is(2) 肯定和否定句 I am(not) from London.My eyes are(not) small.My hair is(not) long.（3）一般疑问句： Am I a Chniese? Yes, you are. No, you aren’t.Are they American? Yes, they are. No, they aren’t.Is the cat fat? Yes, it is. No, it isn’t.11. there be 结构肯定句： There is a …There are …一般疑问句:Is there …? Yes, there is./ No, there isn’t.Are there…? Yes, there are. /No, there aren’t.否定句： There isn’t …. There aren’t….12. 祈使句Sit down please.? ?? ?? ?Don’t sit down, please.13. 现在进行时.通常用“now”.形式： be + verb +ingeg: I am(not) doing my homework.You/We/They are(not) reading.He/She/It is(not) eating.动词 —ing 的形式Most verbs +ing walk—walkingVerbs ending in e -e + ing come—comingShort verbs ending in a vowel + a consonant run