中级美国英语Lesson15:since与for的用法

第十五课　现在完成式 since 与 for 的用法
一.本课要点及示例

在这一课里我们要复习现在完成式, 并且要学习两个时常跟现在完成式句子 一起用的连词, 一个是 since, s-i-n-c-e, since, 一个是 for, f-o-r, for.

现在我们还是按照惯例, 先请英文老师念一段会话,请你听的时候特别注意两 位英文老师的发音和语调.

M: Where have you been, Kate?

F: I've been at the garage for the last two hours.

M: What happened? Did you have an accident?

F: No, nothing happened. But we haven't had the car checked since February. It's needed an oil change for a long time.

M: I know. Have you gotten the car back?

F: No. They've worked on it since four thirty, but they haven't finished it yet.

M: Well, when can we get it back?

F: I'll pick it up on Friday.

M: That's good. Then, we'll have it for the weekend.

现在我们再来听英文老师用慢速度把刚才亨利和凯特的对话念一遍.

M: Where have you been, Kate?

F: I've been at the garage for the last two hours.

M: What happened? Did you have an accident?

F: No, nothing happened. But we haven't had the car checked since February. It's needed an oil change for a long time.

M: I know. Have you gotten the car back?

F: No. They've worked on it since four thirty, but they haven't finished it yet.

M: Well, when can we get it back?

F: I'll pick it up on Friday.

M: That's good. Then, we'll have it for the weekend.

下面我请英文老师把刚才那段对话里包含了今天要学的语法的句子再念一遍 给你听

F: I've been at the garage for the last two hours.

F: We haven't had the car checked since February.

F: It's needed an oil change for a long time.

F: They've worked on it since four thirty.

二.现在完成式复习

听完对话, 现在我们该作练习了. 首先我们来复习现在完成式.

下面这组练习的内容是说亨利从早上到现在已经作了什么事, 比方他已经到 过办公室, 已经写了一份报告, 已经见到了办公室打字员南希等等. 你先跟着 老师重复一个句子, 然后老师会提出一个新的词组, 请你把词组里的动词改成 过去分词, 代换到原来的句子里. 每作完一句老师会念出正确答案, 你自己作 个比较, 看你作对了没有. 现在开始.

M: Henry has been in his office.

M: have a cup of coffee

F: Henry has had a cup of coffee.

M: read today's newspaper

F: Henry has read today's newspaper.

M: do some exercises

F: Henry has done some exercises.

M: write a report

F: Henry has written a report.

M: see Nancy

F: Henry has seen Nancy.

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