资源简介

(共29张PPT)
课时3(4a-4c)
Unit 3 Smart Learning
Section A How do we learn
1. 掌握并正确运用词汇：suggest, method, summarize
2. 掌握that、if 和 whether 引导的宾语从句
Students are discussing how AI will change our ways of learning.
What is the function of the words in bold
I think (that) AI will make learning easier.
AI can tell us whether or not we have fully mastered what we’ve learned in class.
I wonder if AI will make us lazy.
These conjunctions are used to introduce object clauses.
Read the sentences. Circle the connecting words and underline the object clauses.
4a
I believe (that) reading is important for learning.
I think (that) the best way is to do maths problems.
Peter finds (that) he can connect physics with something in real life.
I wonder if/whether you could help me.
I want to know if/whether you read English books outside class.
that、if 和 whether引导的宾语从句
在复合句中，用作宾语的句子叫宾语从句。引导宾语从句的关联词有that、if、whether、who、what、when、where、why、how等。本单元学习that、if 和 whether引导的宾语从句。
① 由that引导的宾语从句
that、if 和 whether引导的宾语从句
当宾语从句是陈述句时，用that引导。that无词义，在从句中不充当成分，在口语或非正式文体中常省略。
He said (that) he would finish the work on time.
他说他会按时完成工作。
All the students think (that) Mr Zhang is very humorous.
所有的学生都认为张老师非常幽默。
① 由that引导的宾语从句
that、if 和 whether引导的宾语从句
(1) 在并列宾语从句中，第二个that不可省略。
He said (that) he liked maths and that he wanted to be a maths teacher.
他说他喜欢数学，想成为一名数学老师。
用法拓展
① 由that引导的宾语从句
that、if 和 whether引导的宾语从句
(2) 当主语是I，think、believe、expect、guess、suppose等表示“认为，猜测”意义的动词后跟that引导的宾语从句的否定式时，其从句谓语动词不用否定形式，而将否定式在主句中表现出来，表达从句的否定意义。
I don’t think we have met. 我想我们没见过面吧。
用法拓展
② 由if/whether引导的宾语从句
that、if 和 whether引导的宾语从句
当宾语从句的语意相当于一个一般疑问句时，常用if/whether引导，表示“是否”。if/whether在句中不充当句子成分，但不能省略。
I wonder if/whether you want to attend the meeting.
我想知道你是否想参加这个会议。
② 由if/whether引导的宾语从句
that、if 和 whether引导的宾语从句
if和whether的用法及区别：
一般情况下，二者没有区别，可以互换。if常用于口语中，whether比较正式。但在以下几种情况中，两者不能互换。
(1) 其后紧跟or not时，只能用whether，不能用if。
Nobody knows whether or not it will rain tomorrow.
没有人知道明天是否会下雨。
用法拓展
② 由if/whether引导的宾语从句
that、if 和 whether引导的宾语从句
(2) 在介词后只能用whether，不能用if。
The boy worries about whether he has broken his mother’s heart.
男孩担心他是否伤了妈妈的心。
(3) 与动词不定式连用时，只能用whether，不能用if。
I can’t decide whether to go or stay.
我不能决定是走还是留。
用法拓展
③ 宾语从句的语序
that、if 和 whether引导的宾语从句
无论主句是陈述句还是疑问句，宾语从句都要用陈述语序。
They say that they will have a three-day holiday next week.
他们说他们下周会有三天的假期。
Do you know if he can finish the work on time
你知道他是否能按时完成这项工作吗？
④ 宾语从句的时态
that、if 和 whether引导的宾语从句
(1) 若主句为一般现在时，宾语从句可根据情况选择所需要的任何时态。
He says (that) she is in London now.
他说她现在在伦敦。
He says (that) she came to London last month.
他说她上个月来伦敦了。
④ 宾语从句的时态
that、if 和 whether引导的宾语从句
(2) 若主句为一般过去时，则宾语从句也要用过去的某种时态。
He knew (that) she liked mooncakes.
他知道她喜欢月饼。
He believed (that) she would win the game.
他相信她会赢得这场比赛。
④ 宾语从句的时态
that、if 和 whether引导的宾语从句
(3) 若宾语从句表示的是客观真理、自然现象或是格言、谚语等，无论主句是什么时态，宾语从句都要用一般现在时。
The teacher told us that the earth goes around the sun.
老师告诉我们地球围绕太阳转。
My father said that a good beginning is half done.
我的爸爸说良好的开端是成功的一半。
Complete the sentences with that or whether / if.
4b
1. Jim doesn’t know _________ he can take part in the research project or not.
2. My parents think _________ they need to be stricter about my studies.
3. Ms Gao understands _________ some students need more time to improve.
4. Terry wonders _________ it will be easy to study courses on AI.
5. Could you tell me _________ this sentence is correct in English
whether
that
that
whether/if
whether/if
be strict about sth.
对……严格要求
Could you tell me whether/if this sentence is correct in English (教材P25 4b)
correct adj. 正确的；恰当的；得体的
adj. 正确的
Can you tell me the correct answer to this maths problem
你能告诉我这道数学题的正确答案吗？
correct
It’s not a correct time to ask him for help.
现在不是向他求助的恰当时机。
She always has correct manners in public.
她在公共场合总是举止得体。
adj. 恰当的
adj. （行为）合乎礼节的，得体的
同义词为right，反义词为incorrect “不正确的”
Could you tell me whether/if this sentence is correct in English (教材P25 4b)
correct adj. 正确的；恰当的；得体的
[动词] 纠正，改正
Correct my pronunciation if it’s wrong.
如果我的发音错了，请给我纠正。
词义拓展
Complete the passage with the correct sentence parts. Then discuss whether you would like to try the learning method suggested.
4c
As a youth, Hua Luogeng left high school to support his family. However, he loved maths and did not want to give up. _____ there was a way to continue learning. Finally, he decided to teach himself _____.
C
A
A. by studying maths books B. He suggested that
C. He wondered whether D. learning had many challenges
E. It is hard to believe
continue doing sth.
继续做某事
Complete the passage with the correct sentence parts. Then discuss whether you would like to try the learning method suggested.
4c
Hua Luogeng later introduced a reading and learning method to young learners. _____ learners should read and take notes very carefully, and then summarize the key points. He once said, “A book starts heavy and thick but becomes thinner as you understand it better.”
B
A. by studying maths books B. He suggested that
C. He wondered whether D. learning had many challenges
E. It is hard to believe
Complete the passage with the correct sentence parts. Then discuss whether you would like to try the learning method suggested.
4c
As an active learner, Hua Luogeng stayed positive no matter what difficulties he met in his life and studies. _____ that such a talent also failed exams in school, but that was true for him. He said that _____ and it was important to take things step by step.
E
D
A. by studying maths books B. He suggested that
C. He wondered whether D. learning had many challenges
E. It is hard to believe
“无论什么”，在此引导让步状语从句
Hua Luogeng later introduced a reading and learning method to young learners. (教材P25 4c)
method / meθ d/ n. 方法
Computers have had a great influence on learning methods since they were introduced into schools.
自从计算机被引入学校以来，它们对学习方法产生了很大的影响。
She found a method of/for remembering new words easily.
她找到了一种轻松记新单词的方法。
the method of/for (doing) sth. （做）某事的方法
同义词：way
He suggested that learners should read and take notes very carefully, and then summarize the key points. (教材P25 4c)
suggest /s d est/ v. 建议；提议
May I suggest a white wine with this dish, sir
先生，我可以推荐一款白葡萄酒搭配这道菜吗？
suggest sth. (to sb.) （向某人）建议某事
suggest doing sth. 建议做某事
suggest (that) sb. (should) do sth. 建议某人做某事
不管sb.为第几人称、句子用什么时态，必须用动词原形
He suggested that learners should read and take notes very carefully, and then summarize the key points. (教材P25 4c)
suggest /s d est/ v. 建议；提议
Joey suggested taking a rest under the tree.
乔伊建议在树下休息一下。
suggest sth. (to sb.) （向某人）建议某事
suggest doing sth. 建议做某事
suggest (that) sb. (should) do sth. 建议某人做某事
不管sb.为第几人称、句子用什么时态，必须用动词原形
He suggested that learners should read and take notes very carefully, and then summarize the key points. (教材P25 4c)
suggest /s d est/ v. 建议；提议
I suggested (that) he (should) have dinner first, and then watch the film.
我建议他先吃晚饭，然后看电影。
suggest sth. (to sb.) （向某人）建议某事
suggest doing sth. 建议做某事
suggest (that) sb. (should) do sth. 建议某人做某事
不管sb.为第几人称、句子用什么时态，必须用动词原形
1. My mother told me that she _________ (buy) a new book for me the next day.
2. I wonder if he ________ (come) to our party this evening.
3. I hope people ________ (have) robots in their homes in 10 years.
4. He told us that sunlight _____ (break) into different colours through a prism (棱镜).
一、用括号中所给单词的适当形式填空
would buy
will come
will have
breaks
二、将下面句子改为含有宾语从句的复合句
1. “Do you have a good time at the amusement park ” he asked me. (改为)
He asked me _________ I _____ a good time at the amusement park.
2. “I am listening to the weather report,” Jim said.
Jim said _____ he _____ listening to the weather report.
3. Is there a post office near here
She asked _________ _____ _____ a post office near there.
if/whether
had
that
was
if/whether
there
was
that、if和whether引导的宾语从句
由that引导的宾语从句
that无词义，在从句中不充当成分，在口语或非正式文体中常省略
① 主句为一般现在时，从句根据情况选择所需要的任何时态
② 主句为一般过去时，从句要用过去的某种时态
③ 从句表示客观事实或真理，用一般现在时
由if/whether引导的宾语从句
宾语从句的语序
if/whether表示“是否”，在句中不充当句子成分，但不能省略
宾语从句的时态
用陈述语序
1. 运用宾语从句写几句话来介绍自己的学习方法，以及这些方法的优势。
2. 将本课所学内容形成重点笔记。

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