日期:2022-09-28 16:21:42人气:68
很多人在学习小学英语过程中想知道有哪几种时态,百科趣为大家总结了小学英语的八大时态,供参考!1、一般现在时概念:经常、反复发生的动作或行为及现在的某种状况
时间状语:always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays, etc.基本结构:①be动词;②行为动词否定形式:①am/is/are+not; ②此时态的谓语动词若为行为动词,则在其前加don't,如主语为第三人称单数,则用doesn't,同时还原行为动词
一般疑问句:①把be动词放于句首;②用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词
2、一般过去时概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为
时间状语:ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.基本结构:①be动词;②行为动词否定形式:①was/were+not;②在行为动词前加didn't,同时还原行为动词
一般疑问句:①was或were放于句首;②用助动词do的过去式did 提问,同时还原行为动词
3、现在进行时概念:表示现阶段或说话时正在进行的动作及行为
时间状语:now, at this time, these days, etc.基本结构:am/is/are+doing否定形式:am/is/are+not+doing.一般疑问句:把be动词放于句首
4、过去进行时概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作
时间状语:at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等
基本结构:was/were+doing否定形式:was/were + not + doing.一般疑问句:把was或were放于句首
5、现在完成时概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态
时间状语:recently, lately, since…for…,in the past few years, etc.基本结构:have/has + done否定形式:have/has + not +d one.一般疑问句:have或has
6、过去完成时概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即过去的过去
时间状语:before, by the end of last year(term, month…),etc.基本结构:had + done.否定形式:had + not + done.一般疑问句:had放于句首
7、一般将来时概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事
时间状语:tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.基本结构:①am/is/are/going to + do;②will/shall + do.否定形式:①was/were + not; ②在行为动词前加didn't,同时还原行为动词
一般疑问句:①be放于句首;②will/shall提到句首
8、过去将来时概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中
时间状语:the next day(morning, year…),the following month(week…),etc.基本结构:①was/were/going to + do;②would/should + do.否定形式:①was/were/not + going to + do;②would/should + not + do.一般疑问句:①was或were放于句首;②would/should 提到句首
1.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(1) 一般在形容词或副词后+erolder ,taller, longer, stronger(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 abook –booksNouns ending in aconsonant +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 for fe - f or fe +ves a knife –knives a shelf-shelves4.不可数名词(单复数不变)bread, rice, water ,juice等
5.缩略形式Im= I a, youre = you are, shes= she is, hes = he isits= it is, whos =who is, cant =can not, isnt=is not等
6.a/ana book, a peachan egg, an hour7.Prepositionon, in ,in front of, between, next to, near, beside, at,behind.表示时间: at six oclock, 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 arent.Are they American? Yes, they are. No,they arent.Is the cat fat? Yes,it is. No, it isnt.
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