The necklaceThe necklace

continue ① vt/vi

continue doing sth =go on doing sth continue to do sth= go on to do sth--- Mary had lunch and then continued to do her work.--- We continued talking till late.--- They continued to walk after a short rest.

2. recognise/knowRecognise 认出 /承认Know 知道 /认识--- I know him, but when I saw him last night, I could hardly recognise him.--- She really _knows_ theory comes from practice--- They all recognise him to be a great leader

Language Record Translate them into English: 1. 拜访某人

2. 日夜工作

3. 还清债务

4. 解开谜团

call on somebody

work day and night

pay off the debts

solve the mystery

• 5. 接受邀请• 6. 做讲座• 7. 由于十年辛劳• 8. 把故事表演出来• 9. 在政府部门工作• 10. 在回家的路上

accept the invitation

give a lecture

because of ten years of hard work

act the story out

work in the government

on the way home

Grammar • 在现在时态中的推测

• 一定　　• 可能　　• 一定不　（１） --He is ill. 　 （２） --she is dancing now..（３） --Jim likes English .

must may/mightcan’t

He must/may/might/can’t be ill

She must/may/might/can’t be dancing now

Jim must/may/might/can’t like English.

• 对过去情况的猜测

一定做过某事　　　

可能做过某事　　　

一定没有做过某事　

must have done

may ／ might have done

can’t /couldn’t have done

1. － He cleaned the classroom yesterday.

.

2. --- He has cleaned the classroom.

.

3. － Jim played basketball with his friends .

4 --- She has been ill for a week.

.

5.--- She was ill last week.

.

---He must have cleaned the classroom yesterday

--- He must have cleaned the classroom

--- Jim must have played basketball with his friends.

--- She must have been ill for a week

--- She must have been ill last week

对下列句子用表示推测的情态动词进行句子转换

• ( 用 must/ may/can’t 造句）• 1. 他一定在教室学习．• .

• 2. 这本书可能值１５元．

• 3. 她昨天一定很忙．• .

• 4. 你刚才一定没有从他那儿借过笔．

• 5. 他可能是在去年结婚的 (get married) ．

He must be studying in the classroom

This book may/might be worth 15 yuan .

She must have been very busy yesterday

You can’t/couldn’t have borrowed a pen from him right now.

• He may have got married last year.

用 must or can’t 重写句子1.I am pretty sure he is not at home.

.

2. I am sure they earn a lot of money.

.

3. I am sure they are not very rich.

.

4. I am sure he is terribly busy.

.

5. I am sure it is very interesting.

----He can’t be at home./ He must be out

---They must earn a lot of money

--- They must be poor./ They can’t be very rich

--- He must be terribly busy

---It must be very interesting

• .

把下列句子改成反意疑问句．１． He can’t be at home, ＿＿＿＿ ?

　２． They must earn a lot of money, ＿＿＿＿ ?

３． They can’t be very rich , ＿＿＿＿ ?

． -------I am sure they are not very rich

------I am sure they earn a lot of money ．

------- I am sure he is not at home ．

is he

don’t they

are they

４． He must be terribly busy, ＿ ＿＿＿ ?

．

• ５． It must be very interesting, ＿ ＿＿＿ ?

------I am sure he is terribly busy

------I am sure it is very interesting

isn’t he

___isn’t it