⑴ happen "发生" 没有被动语态 ，主语是物，强调某事发生的偶然性

a. sth. happen to sb. 某事发生在某人身上

What happened to you?=What was wrong with him?

b. sb. happen to do sth. 某人碰巧做某事 C. It happened that...碰巧

(2)take place 发生，指事情有计划有安排地发生 take the place of 取代......位置

The sports meeting_________________ in our school last week.

What _______ to the farmer?

9. million 百万 millions of成百万的

(1)当hundred, thousand , million 前面有具体的数字时，用单数形式

(2)当后与of 连用时用复数形式，数百 / 数千 / 数百万的意思，前面不能加数词

【记】____________(三百万）workers have planted _______________(上百万）trees

10. at a low price 以低廉的价格 cut one's price 降价

询问价格的句型是"What is the price of +名词？=How much is/ are +名词？"。

这辆自行车多少钱____________________________________ ？=___________________________________?

【拓展】price n 价格，用形容词low或high来修饰价格，通常与介词at连用。

( )The price of the pen is not ________ for him. He is poor

A. Cheap B.expensive C. high D. low

11. ."世纪"的表达法

用"定冠词+序数词+century"表示 在十七世纪、写作：in the 17th century eg 在20世纪_____________

【注意】：以数字表达年代的标准，是在数字后直接加s在20世纪20年代_____________

12..end n/v 结尾- ending n 结尾

（1）in the end = at last = finally 最后 （后不接of短语）

(2) at the end of... 在... 尽头（反）at the beginning of 在...开始（后接时间或地点名词）

(3)end up doing sth 终止做某事 (4) end up with sth 以...而结束

最终，他结束了弹琴。______________________________________

13. stop sb. from doing sth =keep sb from doing sth=prevent sb from doing sth 阻止某人做某事

(1)stop doing sth 停止做某事 Please stop speaking.请停止讲话

(2)stop to do sth 停下来去做另外一件事 Please stop to talk.请停下来讲话

(3)can't stop doing sth 忍不住做......

14. achieve v 获得；达到； 实现 → achievement n 完成； 成绩 achieve one's dream 实现某人的梦想

词条 是否接宾语 用法 achieve 是 主语一般为"人" come true 否 主语一般是"梦想；理想" ★ 几种基本时态的被动语态

1.一般现在时：am/is/are +过去分词 Football is played all over the world.

2.一般过去时：was/were + 过去分词 This book was bought yesterday.

3.一般将来时：will be +过去分词 The class meeting will be held tomorrow.

4.现在进行时：am/is/are +being +过去分词 Our teaching building is being built now.

5.过去进行时：was/were + being +过去分词 The bus wasn't being repaired by me then.

6.现在完成时：have/has + been +过去分词 The work has been finished by them. 1.We ______not to play computer games.

A. are told B. have told C. told D. tell

2.-Will you come to the dinner party?-I won't come unless Jenny ______.

A. will be invited B. can be invited C. invited D. is invited

3. I'm sorry you can't go in now. The room _____ yet.

A. hasn't been cleaned B. hasn't cleaned C. isn't been cleaned D. isn't being cleaned