外研版（2019） 选择性必修第四册 Unit 6 Space and Beyond Using language 课件（29张）

(共29张PPT)
Using language
Unit 6 Space and beyond
目录
contents
Grammar: Review modals
Listening & speaking
Homework
Vocabulary building
I
II
III
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Grammar
Ⅰ
Look at the sentences from the reading passage and answer the questions.
0,000 people reading my blog! b I love to photograph the rising sun, …
a Millions watched that first lunar landing ... aware ... of the many things that could go wrong.
b The world went into shock, most people having assumed that this space flight would be no more dangerous than travelling in an aeroplane.
Grammar: Review modals
Look at the sentences from the reading passage and answer the questions.
0,000 people reading my blog! b I love to photograph the rising sun, …
c I can remember that day so clearly, watching the take-off on TV at school, ...
d The sacrifice of the Challenger calls to us, reminding us that we must continue to reach for the stars, ...
Grammar: Review modals
0,000 people reading my blog! b I love to photograph the rising sun, …
1. Which sentence talks about ability
c
2. Which sentence talks about possibility
3. Which sentence talks about necessity
4. Which sentence talks about prediction
5. What other modals do you know What do they indicate
a
d
b
Look at the sentences from the reading passage and answer the questions.
Grammar: Review modals
1. can，could 的用法
1）表能力，有“能”、“会”、“能够”的意思
— Can you drive a car
　 — Yes, I can.
2）表允许，在口语中代替 may，有“可以”的意
思
　 Can I use your bike 　
情态动词表示说话人的各种态度，如允许、可能、能力、义务、意志、预测、必然、必要等。
Grammar: Review modals
情态动词表示说话人的各种态度，如允许、可能、能力、义务、意志、预测、必然、必要等。
can，could 的用法
3）表示可能性，常用于否定句和疑问句
Can it be true 　
　 Today is Sunday. He can’t be at school.
4）过去式 could 表示的语气更加委婉、客气
　 Could I come to see you tomorrow 　
Grammar: Review modals
2. may, might 的用法
①在陈述句中表示“允许”,在疑问句中表示“请求允许”，汉语可译为“可以”。
有时 might 可以代替 may，这种用法的 might 并无时态意义，只是语气更加婉转。
May I come in
You may take anyone if you like.
Might I ask for a photo of your family
You might as well tell me what you want to say.
Grammar: Review modals
2. may, might 的用法
②表示推测，汉语可译为“可能”,用于肯定或否定句。
might 也可以代替 may 表达同样的意思，且没有时态意义。
I think that may be the problem.
Grammar: Review modals
3. should 的用法
① 表示责任、义务， 汉语译为“应该”
We should obey the regulations of our school.
② 表示推测，汉语也译为“应该”
Their basketball team has lots of excellent players, so if there is no unexpected thing to happen, their team should win the championship.
Grammar: Review modals
3. should 的 用法
③ 表惊讶译为 “竟然”
You can’t imagine that a well-behaved gentleman should be so rude to a lady.
Grammar: Review modals
4. shall 的用法
①用于第二、三人称陈述句表示说话人给对方的命令、警告、允诺、决心、强制或威胁。
— Can I pay the bill by check
— Sorry, sir. But it is the management rules of our hotel that payment shall be made in cash.
Grammar: Review modals
4. shall 的用法
②用于第一或第三人称单数一般疑问句，表征求对方意见。
1) A man is asking to see you. Shall he come in
2) Shall we go out for a walk
3) When shall my father be able to leave hospital
Grammar: Review modals
5. must 的用法
① 表示“强制”，汉语可译为“必须”。
We must make sure that the signs are clear and
easy to read.
Grammar: Review modals
5. must 的用法
② 表示对现在或将来的情况的推测，汉语可译为
“一定”。
1) It must be a “D”.
2) There must be some mistakes, said Dr. Baker.
Grammar: Review modals
5. must 的用法
③ 表示责备、抱怨的感彩，意思为“偏偏，偏要”。
1) — Could I have a word with you, mum
— Oh, dear, if you must.
2) John, look at the time. Must you play the piano at such a late time
Grammar: Review modals
6. would 的用法
① 表示过去反复发生的动作或某种倾向即“过去常常”。
1) In those days, the old woman would sit at the gate for hours, waiting for her son to return from the front.
2) When I was a child, father and I would get up early and go fishing.
Grammar: Review modals
6. would 的用法
② 表示过去将来时。
John promised his doctor he would not smoke, and
he has never smoked ever since.
③ 表示“主观意愿”。
1) I would go there with you.
2) Anyway, I wouldn’t let any trouble come to you.
Grammar: Review modals
情态动词都可以表示推测，但推测的把握性有程度的差别。简而言之，might 的把握性最小，must 的把握性最大。按照推测把握性的程度可由小到大排列如下：
might < may < could < can < should < must
Grammar: Review modals
Read the passage and choose the correct modals.
On 15 October 1997, the Cassini spacecraft set out on a mission to explore the planet Saturn. So great was the distance from Earth that it would / shall need to travel for almost six years to reach its destination. When it reached Saturn, it sent back
Grammar: Review modals
Read the passage and choose the correct modals.
amazing images of the planet’s famous rings viewed in ultraviolet light. Cassini made numerous trips around Saturn so it could / must collect data. Over the following years, Cassini took some 450,000 images of the planet and its moons. Finally,
Grammar: Review modals
on 15 September 2017, Cassini was pointed towards Saturn so that it should / would meet a fiery end. Scientists had decided that Cassini could / must be destroyed this way, so it must / would not collide with any of Saturn’s moons. In its nearly 20-year mission,
Read the passage and choose the correct modals.
Grammar: Review modals
Cassini provided so much information that scientists could / would not process it all. No wonder so many people took to social media to bid it goodbye, saying, “Farewell, dear Cassini! We shall / should never forget you. ”
Read the passage and choose the correct modals.
Grammar: Review modals
Look at the picture and tell a story using modals where appropriate.
Eg: I couldn’t believe it when I look into the Martian sky …
Grammar: Review modals
Work in pairs. Take it in turns to draw a picture of space exploration and ask your partner to tell a story based on it. Use modals where approprite.
Grammar: Review modals
Homework
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Homework
1. Summarize the usage of modals and do the relevant exercises.
2. Imagine you are going to apply for a programme. Write down your ideas for the short video.
thank you
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