九年级英语:一般过去时,现在完成时,被动语态详解[1] 下载本文

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一般过去时态

一、含义:1、表示过去某个时间里发生的动作或状态,通常一般过去式带有表示动作时间状语的词,词组或从句。

如:yesterday, the day before last, last week, two days ago 等, 上下文清楚时可以不带时间状语。 如:I worked in that factory last year. 去年我在那一家工厂工作。

I went to the Tian Long Mountain yesterday. 昨天我们去了天龙山。

2、过去习惯性、经常性的动作、行为;过去主语所具备的能力和性格。

二、过去时态结构基本形式:

1、主语+动词过去式+其他;

2、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; ③一般疑问句Did+主语+do+其他?

三、时间标志:yesterday(昨天), last week(上周), last month(上个月), last year(去年), in those days (在那些日子里),two months ago(两个月前),the day before yesterday(前天),in 1990 (在1990年), 等表示过去的时间状语。

如:I was born in 1990. (我出生在1990年)。 属于be动词的一般过去时态

When did you go to the park? (你是什么时候去的公园)。 属于实义动词go的一般过去时态。 I went to the park last week. (我是上周去的公园) 属于实义动词go的一般过去时态。

四、Be 动词的一般过去时态:在没有实义动词的句子中使用be动词, am is 的过去式为was; are的过去式为were.

构成:肯定句:主语+was (were) +表语 如:I was late yesterday. (昨天我迟到了。) 否定句:主语+was (were) +not+表语 如:We weren't late yesterday. (我们昨天没迟到) 疑问句:Was (Were) +主语+表语 如: Were you ill yesterday? (你昨天病了吗?) 肯定回答: Yes, I was. (是的,我病了。) 否定回答: No, I wasn't. (不,我没病。) 特殊疑问句: 特殊疑问词+was (were) +主语+表语 如:When were you born? (你是什么时候出生的?)

现在完成时态

一、含义:1.表示过去发生的动作对现在造成的影响和结果,常用的时间状语有many times,just,yet,ever,never,just,already,so far, by now等。

I have already watched the TV play. 我已经看过这部电视剧了。(现在我对它不感兴趣了) ——Have you found your lost pen yet?——No, I haven’t found it yet.(我很着急)

2.表示动作或者状态在过去已经开始,持续到现在,也许还将持续下去。用于延续性动词,常常与so far、for或者since短语连用。since + 时间点 /从句,for + 时间段,如for two months等。 二、现在完成时态结构基本形式:

1、主语+have/has+动词过去分词+其他

2、否定形式:①haven’t/hasn’t+动词过去分词 (haven’t、hasn’t been);

②一般疑问句Have/Has+主语+动词过去分词+其他? 三、时间标志:just(刚刚),already(已经),never(从来没有),ever(曾经),before(以前),yet(仍然),once(一次),twice(两次),many times(很多次),how many times(多少次),so far(迄今为止),during the past(last)three years(最近三年来)等时间状语连用

①just常用于肯定句中,放在have / has后,He has just come .

②never表示否定, 放在have / has后, He has never visited the Great Wall.

③ever用于疑问句中,句型为: Have / Has+主语+ever +过去分词?“…曾经……过吗?”用于询问某人过去的经历.Have you ever been to the farm?

④before用于句末,The woman has never heard of that before. ⑤yet 用于句末或not 之后.Has the train arrived yet? No, not yet. ⑥already用于肯定句, have / has 之后或句末.We have already finished it. ⑦so far用于句首或句末. So far, we have visited the moon. ⑧ for+表示一段时间的词语I have taught English for 19 years. ⑨since+表示过去时间点的词语He has been at this school since 1986. ⑩since+表示过去的时间状语从句I have lived here since I was born.

since+一段时间+ago. I have known him since 20 years ago.

四、have been to 和have gone to的区别

have been to 强调“去过”,现已不在那里,如: He has been to the USA three times.

他到美国去过三次.(过去“到美国”,现在已“不在美国”) have gone to主要强调的是“去了”,现在人不在说话的现场,如: --Where's your mother? --你妈妈在哪? --She has gone to the hospital. --她去医院了.

被动语态

一、含义:英语中时态很多,但语态不多,只有两种,即:主动语态和被动语态。所谓“被动语态”,相当于中文中常说的“被??”、“由??”的句式,如:“他的自行车被偷了。”,“这座楼房是由他们建造的。” 二、被动语态的构成:①动作承受者+be + 动词过去分词 + (by+动作执行者)

②否定形式:动作承受者+be not+动词过去分词+其他. ③一般疑问句,把be动词提前.

三、被动语态的运用:

什么情况下要用被动语态呢?一般地说,有下面几种情况: (1) 不知道谁是动作的执行者或没有必要。例如: Paper is made from wood. (纸是由木材生产出来的。)

The house is quite old. It was built in 1950. (这座房子太旧了。它是1950年建成的。) He was wounded in the fight. (他在战斗在受伤了。) Electricity is used to run machines. (电是用来开动机器的。)

(2) 需要强调动作的对象时。例如: Calculator can't be used in the maths exam.

(计算器不能用于数学考试。)

Books and newspapers in the reading room mustnt be taken away. (阅览室的书籍和报纸不准带走。)

He was awarded first prize in that contest. (他在比赛中获得了第一。)

(3)为了使语气婉转,避免提到是谁做的这件事。例如: The construction of the new lab must be completed by the end of next month. (新实验室必须在下个月底前完工。)

四、常见的几种时态的被动语态如下(以动词do为例):

时 态 一般现在 时态 一般过去 时态 一般将来 时态 现在完成 时态 现在进行 时态 含有情态 动词 构 成 am / is / are + done 例 句 An apple is eaten by me every day. 一个苹果每天都被我吃掉。 He was taken to the park by his mother yesterday. 昨天,他被妈妈带去了公园。 The child will be sent to his parents next week. 那个小孩子下个月将要被送回他的父母那里。 My homework has been finished by me. 我的作业已经被做完了。 A big bridge is being built in our city now. 一座大桥正在我们的城市被建造。 Trees can be planted at the foot of the hill. 树可以被种在山脚下。 was / were + done will be + done have / has been + done am / is / are being + done 情态动词 + be + done

规则动词的过去式、过去分词变化方法

1、一般情况下,动词词尾加 ed , 如:worked、played、wanted、acted

2、以不发音的 e 结尾动词,动词词尾加 d, 如:lived、moved、decided、declined、hoped、judged、raised、wiped

3、以辅音字母 + y结尾的动词,把y变为i 再加ed, 如:studied、tried、copied、justified、cried、carried、embodied、emptied

4、以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,加 ed,

如:stopped、begged、fretted、dragged、dropped、planned、dotted、dripped

注:规则动词词尾加-ed有三种读音: 1、在清辅音后读作[t]。 如:asked、helped、watched、stopped

2、在浊辅音和元音后读作[d]。 如:enjoyed、studied、moved、called

3、在t / d后读作[id]。 如:wanted、needed

人教版-初中英语不规则动词归类记忆表

一、AAA型(原形→原形→原形) 原形 read spread cut let put shut cost hit set hurt 过去式 read spread cut let put shut cost hit set hurt 过去分词 read spread cut let put shut cost hit set hurt 汉语意思 读 传播,扩展 切,割 让 放 关闭 花费,值 撞,击 安排,安置 使?伤痛 二、ABA型(原形→过去式→原形) 原形 become come overcome run 过去式 became came overcame ran 三、ABC型 1. 原形 →ew →own 原形 blow draw grow know fly throw

过去式 blew drew grew knew flew threw 过去分词 blown drawn grown known flown thrown 汉语意思 吹 画 生长 知道 飞 扔,抛 过去分词 become come overcome run 汉语意思 成为 来 克服 跑 2.i→a→u 原形 begin drink sing swim ring sink

3. 原形→过去式→过去式+(e)n 原形 break speak freeze choose steal

4. 原形→过去式→原形+(e)n 原形 eat give see fall rise show drive take mistake shake 过去式 ate gave saw fell rose showed drove took mistook shook 过去分词 eaten given seen fallen risen shown driven taken mistaken shaken 汉语意思 吃 给 看见 落下 升起 展示 驾驶 拿 误解 颤抖 过去式 broke spoke froze chose stole 过去分词 broken spoken frozen chosen stolen 汉语意思 破碎,折断 说话 冷冻 选择 偷窃 过去式 began drank sang swam rang sank 过去分词 begun drunk sung swum rung sunk 汉语意思 开始 喝 唱 游泳 响,打电话 沉