新概念英语第二册课件_(Lesson_7_Too_late)

Lesson 7

Too late

学习内容1.单词：学Lesson8 复习Lesson6,7, 2.句子： 学Lesson7后6行

3.练习册：Lesson7

Review words and expressionsdetective [di'tektiv] n. airport ['ε p :t] n. expect [ik'spekt]v. valuable ['vælju bl] adj. parcel ['pɑ:sl] n. diamond ['dai m nd] n. steal [sti:l] v. main [mein]adj. airfield ['ε fi:ld] n. guard [ɡɑ:d] n. precious ['pre s] adj. stone [st un] n. sand [sænd] n.侦探 机场 期待，等待 贵重的 包裹 钻石 偷 主要的 飞机起落的场地 警戒，守卫 珍贵的 石子 沙子

New words

1

oo P_ _l o mp _ e tition c_ a th P_4 2 3

n_ ea _t oo w_ _d

5

还记得他们 吗？??

was having 1. I ________ ___(have) my breakfast at half past six yesterday morning. going 2. Mary was _____ ____(go) over her lessons from six to seven last night. were __you ______(do) doing 3. What _____ at that time? was watching (watch) TV. We ___________ 4. Was your father at home yesterday evening? Yes ,he was. Hewas _________ (listen) to the radio. listening 5. _____ (have) a meeting at 4 Were they ________ having yesterday afternoon? weren't They were cleaning (clean) No, they _______. ____________ the classroom. 6. She was _________ making (make) her dress the whole afternoon.

Exercises.

Listen and answer the question 3--5on page37

Talk about the pictures.

When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield. Two men took the parcel off the plane and carried it into the Customs House.Customs House 海关 customs 风俗，习惯(pl.),海关 customer 顾客 take…off 1) 把…从…取下来2) 起飞3) 脱掉(衣，帽，鞋等),取下(眼镜，戒指等 eg.

While two detectives were keeping guard at the door, two others opened the parcel. To their surprise, the precious parcel was full of stones and sand!to one's surprise 令某人吃惊的是 to one's joy 令某人高兴的是 eg. This is my first date. But to my surprise, the girl didn't turn up. 这是我第一次约会，但令我吃惊的是，那女孩没来。 full adj. 满足，充满 eg. I'm full. 我吃饱了。 be filled with (被)装满 be full of 充满 装满

1.You should take your toys off the table. 你应当把玩具从桌子上拿下来。 2.The plane took off very smoothly. 飞机顺利地起飞。 3.Take your coat off. 脱下外套吧。

Key Structure过去进行时：表示过去某时正在进行的动作。

be的过去式(was/were) +v-ingeg: When I was watering the garden, it began to

rain.当我正在花园浇水时，开始下雨了。 While we were having a party, the lights went out. 当我们在聚会的时候灯灭了。

1. 有过去时间状语例: In those years we were having a hard time. 那几年我们日子过的很艰难。

We were picking cotton when they arrived.他们来的时候我们正在摘棉花。 2. 无时间状语，

通过上下文来得知

例:The wind was no longer blowing but it was stillrather cold. 风已经不吹了，但是天气仍旧很冷。 3. 过去进行时和一般过去时的差别是前者表示正在进行的 动作，后者表示一个完成的动作。 例: I was reading a novel last night. 昨天晚上我正在读一个小说。

过去进行时：表示过去某时正在进行的动作。

用法：①过去某个时间正在发生的动作 例：He was cooking at six last night. 昨 天晚上六点，他正在做饭。 ②过去某段时间正在发生的动作 I was staying here from March to May last year. 去年从3月到5月，我一直呆在这里。 2.与过去进行时连用的时间状语，常见的有 at nine last night/ at that time= then/at this time yesterday /或有when the teacher came in/ while he was reading的提 示 3过去进行时的构成：was\were +现在分词

when与while的区别 区别1. when可以和延续性动词连用，也可以 和短暂性动词连用；而while只能是延续性动 词连用。 ①Sorry,I was out when you called me.(call为短暂性动词)对不起，你打电话 时我刚好外出了。 ③Strike while the iron is hot is为延续性动词，表示一种持续的状态)趁热 打铁。 区别2。when从句的谓语动词可以在主句谓语 动作之前、之后或同时发生； while从句的谓语动作必须是和主句谓语动作 同时发生。

用，while,when,填空 1.It was raining when we arrived. 2.My mother came in when I was doing my homework. 3.While /when I was doing my homework, my mother came in. 4.I am safe while I am here.

l. 当我父亲正要离开房子的时候，邮递员到了。 As my father was leaving (leave) the house, the postman arrived (arrive) . 2.汤姆正在花园里干活，我正在坐着。 Tom was working (work) in the garden while I was sitting (sit)in the sun. 3.当我正在走的时候，我看见了查理。 As I was walking (walk)down the street, I met (meet)Charlie. 4. 他读信的时候，听见了敲门声。 While he was reading (read) the letter, he heard (hear)a knock at the door. 5.当我的妈妈正在准配午饭，Janet正在放桌子。 While mother was preparing (prepare) lunch, Janet was setting (set) the table.