(共20张PPT及音频)
Unit 4 Changing and Growing
Grammar in Use
Learning Objectives
通过本课的学习，学生能够:
1. 通过对比及情景理解，掌握单词后缀-less和-ful的用法，从而运用到单词积累中。
2. 通过对话操练及联系生活实际，理解和运用过去进行时。
Review
Can you retell Li Xiang's email
Study？
Beginning
Middle
End
1. signed up...
made friends
help... improve
2. felt disappointed
didn't allow to...
3. advised to
4. gathered courage to ...
5. understand...
6. cheer ...on
Activity 1
Look at the pictures and read the sentences. Pay attention to the words in bold.
The doctor feels helpless
to save the patient's life.
He wishes he could be
more helpful.
The symbols are very useful to pay online,
but they are useless without a cellphone.
Your boss doesn't allow any careless mistakes,
so you'd better be very careful in your work.
Suffixes -less and -ful
root -less -ful
help helpless (无助的) helpful(有益的，有帮助的)
use useless ( 无用的) uselful ( 有用的)
care careless (粗心造成的) careful (细致的)
In general: -less for negative meaning; -ful for positive meaning
Activity 2
Complete the sentences with the correct form of the given words.
1. Li Hong was _____ (joy) because she got a good grade in the exam.
2. After years of hard work, my uncle became _________(success) and now he lives an easy and comfortable life.
3.You were doing very well yesterday. Be _______ (hope) and you'll succeed.
4. He learned a lot after visiting many __________ (wonder) places.
5. Smoking is ______ (harm). No one should smoke in public.
joyful
successful
hopeful
wonderful
harmful
观，带（某人）巡视
n. 喜悦；乐趣
观，带（某人）巡视
adj. 舒适的；安逸的
观，带（某人）巡视
v. 吸烟
Suffixes -less and -ful
Li Hong was joyful because she got good grade in the exam.
李红因为在考试中取得好成绩，她很开心。
(1) joyful /'d iful/ adj. 欢喜的；令人高兴的
(2) joyless /'d il s/ 没有欢乐的；不快活的
Language points
Activity 3
Hurtful
What do you think of it
Youth is an important period of time for growing.
Aimless
Helpful
Painful
Activity 3
Complete the text and fill in the blanks.
aimless helpful hurtful painful priceless useless
Youth is an important period of time for growing. It can be hard and _________,
but you grow in every way and learn more about life. Sometimes, you may feel
_________. But your teachers are always there for you, and your friends can
also be __________. Some people may say something _________ to you, but
they might not mean it, and you can talk to them and learn to communicate with
people. Maybe, you find some subjects difficult and _________. However, you will understand the true value of knowledge later on. In a word, youth is a _________ expericence. You should make the most of it.
painful
aimless
helpful
hurtful
useless
priceless
What does the word “priceless” mean according to the context
adj.极其珍贵的
The past continuous tense
Activity 1 Pair work. Read the conversation. Pay attention to was/were doing.
What were you doing at
this time yesterday
What movie were you
watching Is it My
Country and My People
I was watching a movie
with my parents.
Yes. We felt moved when
we were watching it.
The past continuous tense
I was watching a movie with my parents at this time yesterday.
We were doing our homework very carefully from 5:00 p.m. to 7:00 p.m. last Friday.
1. 含义：
过去某个时间点或时间段正在做、正发生某事。
2. 常见时间状语：
at this time yesterday, at that time, from...to ... +过去时间， when..., while...
The past continuous tense
He was designing his party with his parents at this time yesterday.
They were playing the violin from 10: 10 to 12:10 yesterday.
3. 基本句型结构：
(1) 陈述句：
(2) 否定句：
主语+ was/ were + doing sth. （+时间状语）.
主语+ was/were not doing sth.（+ 时间状语）.
He wasn't designing my party with his parents at this time yesterday.
They weren't playing the violin from 10: 10 to 12:10 yesterday.
was not= wasn't
were not =weren't
The past continuous tense
--- Was he designing his party with his parents at this time yesterday
--- Yes, he was. / No, he wasn't.
--- Were they playing the violin from 10: 15 to 12:10 yesterday
--- Yes, they were. / No, they weren't.
--- Were you drawing pictures at that time
--- Yes, I was./ No, I wasn't.
3. 基本句型结构：
（3）一般疑问句及回答：
--- Was/ Were +主语+ doing sth. （+时间状语）
--- Yes, 主语 +was./ were.（肯定回答）
/ No, 主语+ wasn't./weren't. （否定回答）
be 动词提前
放于句首
The past continuous tense
Who was he designing his party with at this time yesterday
3. 基本句型结构：
(4) 特殊疑问句：
疑问词+was/ were +主语+ doing sth. （+时间状语）
What were they doing from 10: 10 to 12:10 yesterday
Activity 2
Complete the table and learn how to use the past continuous tense.
Positive form Negative form I was helping Xiao Ya with her mood problem at 7:00 p.m. yesterday. He wasn't helping Xiao Ya with her mood problem at 7:00 p.m. yesterday.
They _____ You _____ Question form _____ she helping Xiao Ya with her mood problem at 10:00 a.m. yesterday Yes, she _____./ No, she _____. Were they Yes, they _____. /No, they _____. were
weren't
Was
was
wasn't
were
weren't
The past continuous tense
Activity 3
Pair work. Look at the pictures and talk about what people were
doing at 9:00 a.m. yesterday
A: What was he/ she doing What were they doing
B: He /She was .../ They were ....
A: What was she doing at 9:00 a.m. yesterday
B: She was tidying up the bathroom.
tidy up the bathroom
bath+ room = bathroom
The past continuous tense
A: What was he/ she doing What were they doing
B: He /She was .../ They were ....
jog
write a postcard
ride bikes
（某人）巡视
v. 慢跑
Summary
We learn:
1. 过去进行时的含义、结构以及用法。
2. Suffixes -less and -ful 的用法。
We can:
1. 掌握单词后缀-less和-ful 的用法，从而运用到单词积累中。
2. 用过去进行时，描述和讨论过去某个时间点或者时间段发生的事情
Homework
You should
'
remember the new words and important phrases of the lesson;
practice the key sentence patterns with your partner;
use the past continuous tense to make sentences.
You may
'
write a short passage to describe peole's activities with past continuous.
Thank you!
