一般过去时讲解及练习
一、一般过去时的概念和用法
一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语 连用。一般过去时也表示过去经常或反复发生的动作。
Eg: -What did you do yesterday
-I met Lin Tao .(过去某个时间发生的动作) I was there a moment ago.(过去某个时间存在的状态)
We often pIayed together when we were chi Idren.(过去经常或反复发生的
动作) 注:表示过去经常发生的动作还可用used to o
Eg: He used to smoke a lot, but he doesn, t now.
他过去经常抽烟,但现在不抽了。
二、常用于一般过去时的时间状语
yesterday, this morning, just, just now, . . . ago (a moment ago, 3 days ago, 2 hours ago. . .), in the past, last night / year / week, once upon a time, the other day,以及时间状语从句中
(常用弓I导词:before, after, when, unt i I, as soon as 等)。
Eg: It was raining heav iIy when I I eft school,
Mr. Green didn' t start cooking unti I his son v/as back from school Iast night.
三、一般过去时对谓语动词的要求 (
一般过去时用动词的过去式构成。即一般过去时的谓语动词要用动词的过去 式。动词过去式的构成分规则变化和不规则变化两种形式,不规则变化通常需要逐 个记忆,规则变化则遵循以下原则:
(1) 一般在动词后加-ed。
如:p I ay—p I ayed (玩,4T) , offer—offered (提供),weigh-weighed (重), destroy—
destroyed (毁坏),sign—signed (签名).
(2)在以字母e结尾的动词后,只加-d。
如:I ike一I iked (喜欢),provide一provided (提供), hate 一 hated (讨庆),date一
dated (确定…年代)。
(3)在以“辅音字母+y”结尾的动词后,则改y为i,再加一ed。
如:suppIy—suppI ied (提供),f Iy—f I ied (飞),study— studied (学习).
⑷*
⑸在以单短元音的重读闭音节结尾且,末尾只有一个辅音字母的动词后,双写最后 一个辅音字母,再加一ed。
如:p I an—p I anned (计划),refer——referred (涉及), regret—regretted (后'诲),ban-banned
(惩罚).
ps: offer侧重表示“愿意给予”,常用于offer sb. sth.或offer to do sth.结构。 provide指有
远见,为应付意外、紧急情况等作好充分准备而“供给、提供”,可用于provide sb.
(with sth.)或 provide sth. (for sb.)结构。
supply通常指定期“供应”,强调替代或补充所需物品,常用于supply sb. with sth,或suppIy sth. to sb.结构。
四、部分不规则动词过去式归纳
词义 是 是 成为 开始 弯曲 吹 买 能 现在(原形) am, i s (be) are (be) become begin bend blow buy can 过去式 was were became began bent blew bought could 词义 有 听 受伤 保持 知道 学习 允许,让 躺 现在(原形) have, has hear hurt keep know I earn let I i e 过去式 had heard hurt kept knew learned, let lay 捕捉 选择 来 切 做 画 饮 吃 感觉 发现 飞 忘记 得到 给 走 成长,种植 catch choose come cut do, does draw dr i nk eat fee I find fly forget get give go grow caught chose came cut did drew drank ate felt found flew forgot got gave went grew 制造 可以 意味 会见 必须 放置 读 骑、乘 响、鸣 跑 说 看见 将 唱歌 坐下 睡觉 make may mean meet must put read r ide ring run say see sha I I sing s i t sleep made might meant met must put read rode rang ran said saw should sang sat slept 五、一般过去时的否定句和疑问句
1 .带有was或were的句子
否定句在be动词:was或were后力。not。
Eg1:I was ten years oId then.
否定句:I wasn,t ten years old then.
Eg2: Tom and his fami Iy were in Amec ica two years ago.
否定句:Tom and h i s fami I y weren't i n Amer i ca two years ago.
一般疑问句:参照陈述句变一般疑问句的规则:一提二改三照抄; ① 把was或were提前,其他照写。 ② I you; we you; my your; was were。