初中英语时态用法小结_初中英语时态用法总结
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英语时态用法小结 根据试题统计,动词语法占语法考题中的50%左右,其内容主要包括动词的时态、语态、要掌握英语的时态和语态,必须掌握好英语中的助动词(do, be, have)和时间状语这两个核心问题。现将各考点分别归纳如下。
1.一般现在时
主要用来表示人、事物的现在状况和特点;表示经常或习惯性的动作,句子中常有often, always, from time to time 等时间状语;表示客观规律和永恒真理等。
He usually goes to work at 7 o’clock every morning.She has a brother who lives in New York.The earth goes around the sun.Guangzhou is situated in the south of China.考点一:表示永恒的真理,即使出现在过去的语境中,仍用一般现在时。如:I learned that the earth goes around the sun when I was in primary school.考点二:在时间和条件状语从句中,代替一般将来时,常用的引导词有:时间:when, until, after, before, as soon as, once, the moment / minute / day / year
条件:if, unle, provided If he accepts the job, he will get more money soon.考点三:在make sure(certain), see to it, mind, care, matter +宾语从句中,从句用一般现在时代替一般将来时。
So long as he works hard, I don’t mind when he finishes the
experiment.只要他努力工作,我不介意他什么时候做完试验。
考点四:在the more… the more …(越…越…)句型中, 若主句是一般将来时, 从句通常用一般现在时。
The harder you study, the better results you will get.2.现在进行时
表说话时或目前一段时间内正在进行的活动;与频率副词,如always,constantly,continually,again等连用,表示说话人的某种感情色彩(赞叹、厌烦、埋怨等)。
We are having English cla.The house is being built these days.The little boy is always making trouble.考点一:在时间状语或条件状语从句中表示将来正在进行的动作。Look out when you are croing the street.Don't wake him up if he is still sleeping at 7 tomorrow morning.考点二: 表示在最近按计划或安排要进行的动作(这时多有表示将来的时间状语)。
Marry is leaving on Friday.3.现在完成时
表示动作发生在过去,完成在过去,但强调与现在情况仍有联系,其结果或影响仍存在。现在完成时有一些标志性的时间状语。
考点一:for + 时间段;since + 时间点
They have lived in Beijing for five years.They have lived in Beijing since 1995.I have learned English for ten years.考点二:常见的不确定的时间状语:lately, recently, just, already, yet, up to now;till now;so far, these days
Has it stopped raining yet?
考点三:在表示“最近几世纪/年/月以来……”时间状语中,谓语动词用现在完成时。
in the past few years/months/weeks/days, over the past few years, during the last three months, for the last few centuries, through centuries, throughout history 等
In the past 30 years China has made great advances in socialist construction.考点四:表示“的过去”,句中有明显的参照动作或时间状语,这种时态从来不孤立使用。There had been 25 parks in our city up till 2000.By the end of last term we had finished the book.They finished earlier than we had expected.考点一:用于hardly/scarcely...when;no sooner...than句型中,主句用过去完成时,从句用一般过去时。
I had hardly finished my work when he came to see me.I had no sooner got into the room than it began to snow.No sooner had I arrived home than the telephone rang.(注意倒装)考点二:表示“
“be about to + 动词原形”表示按照预定计划或打算准备着手进行的动作。“be to + 动词原形”表示必须、必然或计划将要做的事。
They are to be married in May.8.将来进行时
表示将来某个时间正在发生的动作,或按计划一定会发生的事情。
I’ll be doing my homework this time tomorrow.明天这会我正在写作业。The President will be meeting the foreign delegation at the airport.9.将来完成时
表示在将来某时刻之前业已完成的事情,时间状语非常明显。
考点一:常用的时间状语一般用by + 将来时间,如:by the end of this year, by 8 o’clock this evening, by March next year以及由by the time…, before或when等引导的从句。
By the end of next month, he will have traveled 1000 miles on foot.By the time you reach the station, the train will have left.By next Tuesday, I will have got ready for the exams.考点二:在时间和条件状语从句中,将来完成时则由现在完成时表示。The children will do their homework the moment they have arrived back from school.10.动词的语态
一般用于强调受者,做题时谓语动词后通常不再有名词或宾语。动词的语态一般不单独考,而是和时态、语气和非谓语动词一起考,需要注意以下考点。考点一:不能用于被动语态的动词和词组
come true, consist of, take place, happen, become, rise, occur, belong, break out, appear, arrive, die, fall, last, exist, fail, succeedIt took place before liberation.考点二:下列动词的主动语态表示被动意义, 而且常与well, quite, easily, badly等副词连用:lock, wash, sell, read, wear, blame, ride , write
Gla breaks easily.玻璃容易破碎。The car rides smoothly.这车走起
来很稳。
The case locks easily.这箱子很好锁。The book sells well.这本书很畅销。
考点三:一些常用经典被动句型
It is said…, It is reported…, It is widely believed…,It is expected…, It is estimated…,这些句子一般翻译为“据说…”,“人们认为…”,而“以前人们认为…”则应该说:It was believed…, It was thought…