您现在的位置:
发布时间:2022-07-08 07:32:25
2017小学英语复习资料2
二.冠词:不定冠词,定冠词种类:
(一) 不定冠词:a / an
元音读音开头的可数名词前用an :
an egg / an apple / an orange / an eraser / an answer / an ID card / an alarm clock / an actor / an actress / an e-mail / an address / an event / an example / an opera / an hour an old man / an interesting book / an exciting sport / an action movie / an art lesson /
(二)定冠词:the
定冠词的用法:
1.特指某(些)人或某(些)物: The ruler is on the desk.
2.复述上文提到的人或物:He has a sweater. The sweater is new.
3.谈话双方都知道的人或物:The boys aren‘t at school.
4.在序数词前: John‘s birthday is February the second.
5.用于固定词组中: in the morning / afternoon / evening 不用冠词的情况:
(1)专有名词前:China is a big country.
(2)名词前有定语:this , that , my , your , some, any , no 等:
This is my baseball.
(3)复数名词表示一类人和事:Monkeys can‘t swim. They are teachers.
(4)在,日期,月份,季节前:Today is Christmas Day. It‘s Sunday.
(5)一日三餐前:We have breakfast at 6:30.
(6)球类 棋类运动前:They often play football after class. He plays chess at home. * 但乐器前要用定冠词:I play the guitar very well.
(7)学科名称前:My favorite subject is music.
(8)在称呼或头衔的名词前:This is Mr Li.
(9)固定词组中:at noon at night by bus
三、形容词,副词:比较级,最高级
(一)、形容词的比较级
1、形容词比较级在句子中的运用:两个事物或人的比较用比较级,比较级后面一般带有单词than。比较癫痫病手术治疗方法级前面可以用more, a little来修饰表示程度。than后的人称代词用主格(口语中可用宾格)。
2.形容词加er的规则:
⑴ 一般在词尾加er ;
⑵ 以字母e 结尾,加r ;
⑶ 以一个元音字母和一个辅音字母结尾,应双写末尾的辅音字母,再加er ;
⑷ 以�D辅音字母+y‖结尾,先把y变i,再加er 。
3.不规则形容词比较级:
good-better, beautiful-more beautiful
(二)副词的比较级
1.形容词与副词的区别 (有be用形,有形用be;有动用副,有副用动) ⑴在句子中形容词一般处于名词之前或be动词之后 ⑵副词在句子中最常见的是处于实义动词之后
2.副词比较级的变化规则基本与形容词比较级相同 (不规则变化:well-better, far-farther)
四、 数词:基数词,序数词
(一)基数词
1.1-20
one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen, sixteen,seventeen,eighteen,nineteen,twenty
2.21-99
先说�D几十‖,再说�D几‖,中间加连字符。
23→twenty-three,34→thirty-four,45→forty―five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one
3.101―999
先说�D几百‖,再加and,再加末两位数或末位数;
586→five hundred and eighty-six,803→eight hundred and three
4.l,000以上,先从右往左数,每三位数加一个�D,‖,第一个�D,‖前为thousand.第二个�D,‖前为million,第三个�D,‖前为billion 1,001→one thousand and one
18,423→eighteen thousand,four hundred and twenty-three
6,260,309→six million two hundred and sixty thousand three hundred and nine 750,000,000,000→seven hundred and fifty billion
(二)序数词
1.一般在基数词后加th
eg.four→fourth,thirteen→thirteenth
2.不规则变化
one→first,two→second,three→third,five→fifth,eight→eighth,nine→ninth,twelve―twelfth
3.以y结尾的十位整数,变y为ie再加th
twenty→twentieth, forty→fortieth, ninety→ninetieth
4.从二十一后的�D几十几‖直至�D几百几十几‖或�D几千几百几十几‖只将个位的基数词变为序数词。
twenty-first,two hundred and forty-fifth 基数词转为序数词的口诀:基变序,有规律,词尾加上-th.
一,二,三,特殊记,词尾字母t,d,d. 八去t,九去e, ve要用f替。 ty将y变成i,th前面有个e.
若是碰到几十几,前用基来后用序。
免责声明:本文仅代表作者个人观点,与本网无关。
实用文章,深受网友追捧
比较有用,值得网友借鉴
没有价值,写作仍需努力