学而思1对1帮助孩子解决知识难点
报名课程 专属福利随意领
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Za b c d e f g h i j k l m n o p q r s t u v w x y z
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一般情况,直接加-s,如:book-books, bag-bags, cat-cats, bed-beds
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以s. x. sh. ch结尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches
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以“辅音字母+y”结尾,变 y 为 i, 再加-es,如:family-families, strawberry-strawberries
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以“f 或 fe”结尾,变 f 或 fe 为 v, 再加-es,如:knife-knives
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不规则名词复数:
man-men,
woman-women,
policeman-policemen,
policewoman-policewomen,
mouse-mice
child-children,
foot-feet,
tooth-teeth,
fish-fish,
people-people,
Chinese-Chinese,
Japanese-Japanese
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不可数名词的复数就是原形:
paper,juice, water, milk, rice, tea
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(1) 有生命的东西的名词所有格:
a) 单数后加 's 如: Lucy's ruler, my father's shirt
b) 以s 结尾的复数名词后加 ’ 如: his friends' bags
c) 不以s 结尾的复数后加's children's shoes
并列名词中,如果把 's加在较后一个名词后,表示共有, 如:
Tom and Mike's car 汤姆和迈克共有的小汽车
要表示所有物不是共有的,应分别在并列名词后加's, 如:
Tom's and Mike's cars 汤姆和麦克各自的小汽车
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(2) 表示无生命东西的名词通常用“of +名词”来表示所有关系:
如: a picture of the classroom a map of China
(1) 不定冠词:a / an a unit / an unclean egg / an apple / an orange
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特指某(些)人或某(些)物:The ruler is on the desk.
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复述上文提到的人或物:He has a sweater. The sweater is new.
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谈话双方都知道的人或物:The boys aren't at school.
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在序数词前:John's birthday is February the second.
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用于固定词组中:in the morning / afternoon / evening
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专有名词前:China is a big country.
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名词前有定语:this , that , my , your , some, any , no 等:
This is my baseball.
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复数名词表示一类人和事:Monkeys can't swim. They are teachers.
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在节日,日期,月份,季节前:Today is Christmas Day. It's Sunday.
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一日三餐前:We have breakfast at 6:30.
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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.
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学科名称前:My favorite subject is music.
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在称呼或头衔的名词前:This is Mr Li.
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固定词组中:at noon at night by bus
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)。
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)
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⑴在句子中形容词一般处于名词之前或be动词之后
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⑵副词在句子中较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)
one,two, three, our, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty(2) 21-99 先说“几十”,再说“几”,中间加连字符。(3) 101—999先说“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) 1,000以上,先从右往左数,每三位数加一个“,”,先进个“,”前为thousand. 第二个“,”前为million,第三个“,”前为billion1,001→ one thousand and one18,423→ eighteen thousand four hundred and twenty-three6,260,309→ six million two hundred and sixty thousand three hundred and nine750,000,000,000→ seven hundred and fifty bilioneg. four→fourth, thirteen→thirteenth(3) 以 y 结尾的十位整数,变 y 为 ie 再加 th(4) 从二十一后的“几十几”直至“几百几十几”或“几千几百几十几”只将个位的基数词变为序数词。two hundred and forty-fifth介词:常用介词:in, on, at, behind等1. at 表示时间概念的某一个点。(在某时刻、时间、阶段等)。at 1:00 (dawn,midnight , noon) 在一点钟(黎明、午夜、中午)
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at (on) the weekend?在周末---特指
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at (on) weekends?在周末---泛指
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over the weekend?在整个周末
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during the weekend?在周末期间
(2)在圣诞节,应说 at Christmas? 而不说 on Christmas?
On reaching the city he called up his parents.1) 表示"时段"、"时期",在多数情况下可以和 during 互换,前者强调对比,后者强调持续。
in (during) 1988 (December, the 20th century) 在一九八八年(十二月、二十世纪)
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1. be动词:主语+be (am, is, are)+其它。如:I am a boy. 我是一个男孩。
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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。
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1.一般情况下,直接加-s,如:cook-cooks, milk-milks
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2.以s. x. sh. ch. o 结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes
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3.以“辅音字母+y 结尾,变y为i, 再加-es,如:study-studies
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① 一般直接在动词的后面加ed:如 worked , learned , cleaned , visited
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② 以e结尾的动词直接加d:如 lived , danced , used
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③ 以辅音字母加y结尾的动词要改 y 为 i 再加 ed (此类动词较少)如 study – studied carry – carried worry – worried (注意play、stay不是辅音字母加 y ,所以不属于此类)
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④ 双写较后一个字母(此类动词较少)如 stopped
B、不规则动词(此类词并无规则,须熟记)小学阶段要记住以下动词的原形和过去式:sing – sang , eat – ate ,see – saw , have – had , do – did , go – went , take – took , buy – bought , get – got , read – read ,fly – flew , am/is – was ,are – were , say – said , leave – left , swim – swam , tell – told , draw – drew , come – came , lose – lost , find – found , drink – drank , hurt – hurt , feel – felt
I am going to go swimming tomorrow(明天). = I will go swimming tomorrow.(4) 现在进行时: am,is,are+动词现在分词
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① 一般的直接在后面加上ing , 如doing , going , working , singing , eating
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② 以e 结尾的动词,要先去e再加ing,如having , writing
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③ 双写较后一个字母的(此类动词极少)有:running , swimming , sitting , getting
(1) 肯定句:是指用肯定的语气来陈述的句子,如:
(2) 否定句:含有否定词或表示否定意义词的句子,如:
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I'm not a student. She is not (isn't) a doctor.
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He does not (doesn't) work in a hospital. There are not (aren't) four fans in our classroom.
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He will not (won't) eat lunch at 12:00. I did not (didn't) watch TV yesterday evening.
一般疑问句:是指询问事实的句子,此类句子必须用“yes",或“no”来回答。特殊疑问句:以特殊疑问词 (what , where , who , which , when , whose , why , how等) 开头引导的句子。此类句子应该问什么就答什么,不能用“yes /no”来回答。
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1、There be 句型表示:在某地有某物(或人)
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2、在there be 句型中,主语是单数,be 动词用is ; 主语是复数,be 动词用are ; 如有几件物品,be 动词根据较*近be 动词的那个名词决定。
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3、there be 句型的否定句在be 动词后加not , 一般疑问句把 be 动词调到句首。
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4、there be 句型与have(has) 的区别:there be 表示在某地有某物(或人); have(has) 表示某人拥有某物。
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5、some 和 any 在 there be 句型中的运用:some 用于肯定句, any 用于否定句或疑问句。
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6、and 和or 在there be句型中的运用:and 用于肯定句, or 用于否定句或疑问句。
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7、针对数量提问的特殊疑问句的基本结构是:
How many + 名词复数 + are there + 介词短语?
How much + 不可数名词 + is there + 介词短语?
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8、针对主语提问的特殊疑问句的基本结构是:
What's + 介词短语?