Unit 4 Changing and Growing Grammar in Use.课件+内嵌音视频-2025-2026学年仁爱版英语八年级上册

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Exploring the Topic
Grammar in Use
UNIT 4
Changing and Growing
通过本节课的学习, 同学们将能：
1.掌握后缀-less 和-ful的用法。
2.掌握过去进行时的用法。
学习目标
Grammar in Use
Suffixes -less and -ful
Look at the pictures and read the sentences. Pay attention to the words in bold.
Activity 1
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.
Activity 1
后缀是置于单词或词干后用于构成新词的一个或一组音节。也就是说，用作一种词类的词，例如名词经添加后缀之后可以转变为不同的词类，例如形容词。后缀是一种重要的构词法，通过后缀常常可以判断出一个词的词性。在语言学里，后缀，又称词尾，是一种后置于其他词素后的词缀。
后缀
help
help
use
use
care
care
ful
less
ful
ful
less
less
ful
后缀：词根多为动词/名词， 加-ful 变形容词，表“具有……特性”
help
use
care
+ful
———helpful 有帮助的
+ful
———useful 有用的
+ful
———careful 细心的
ful
后缀：词根多为动词/名词， 加-less 变形容词，表“缺乏……特性”
help
use
care
+less
———helpless 无帮助的
+less
———useless 无用的
+less
———careless 粗心的
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
Activity 3
Complete the text and fill in the blanks.
Youth is an important period of time for growing up. 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 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 ________ experience. You should make the most of it.
aimless helpful hurtful painful priceless useless
painful
aimless
helpful
hurtful
useless
priceless
Youth is an important period of time for growing up. It can be hard and painful
but you grow in every way and learn more about life. Sometimes, you may feel aimless. But your teachers are always there for you, and your friends can also be helpful. Some people may say something hurtful to you, but they might not mean it, and you talk to them and learn to communicate with people. Maybe, you find some subjects difficult and useless. However, you will understand the true value of knowledge later on. In a word, youth is a priceless experience. You should make the most of it.
Activity 3
Read the text again and understand the text.
总而言之
be there 支持某人
形容词修饰不定代词，后置
communicate with sb. 和某人交流
make the most of sth 充分利用某物
Grammar in Use
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.
过去进行时：表示过去某个时间或某段时间正在进行的动作。
What were you doing at this time yesterday
I was watching a movie with my parents.
What movie were you watching Is it My Country and My People
Yes. We felt moved when we were watching it.
_______________ +___________
请认真观察下列句子，并总结出过去进行时的结构。
was/were
doing
注意： 当主语是第一人称单数（I）和第三人称单数时，be动词用_____，其余人称用_______。
was
were
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 p.m. yesterday Yes, she _______./No, she _________.
Were they Yes, they ________. /No, they ________.
were
weren’t
Was
was
wasn’t
were
weren’t
过去进行时的否定句：直接在was/were 后直接加_______。
过去进行时的一般疑问句： 把_____和_______提到句首，句未加“？”，如果有第一人称“I”, 要变成第二人称 “_________”。
not
Was
Were
you
检测：写出下列句子的否定句、一般疑问句，并做回答。
1. She was swimming at 9:00 p.m. yesterday.
否定句：
一般疑问句：
肯定回答：
否定回答：
2. I was watching TV at this time yesterday.
否定句：
一般疑问句：
肯定回答：
否定回答：
She wasn’t swimming at 9:00 p.m. yesterday.
Was she swimming at 9:00 p.m. yesterday
Yes, she was.
No, she wasn’t.
I wasn’t watching TV at this time yesterday.
Were you watching TV at this time yesterday
Yes, I was.
No, I wasn’t.
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... /They were...
tidy up the bathroom
jog
write a postcard
ride bikes
A: What was he/she doing / What were they doing
B: He/She... /They were...
tidy up the bathroom
A: What was he/she doing / What were they doing
B: He/She... /They were...
jog
A: What was he/she doing / What were they doing
B: He/She ... /They were...
write a postcard
A: What was he/she doing / What were they doing
B: He/She ... /They were...
ride bikes
Language points
1.helpless adj. 无帮助的 helpful adj. 有帮助的
useless adj. 无用的 useful adj. 有用的
careless adj. 粗心的 careful adj.细心的
规则：词根多为动词/名词，加-ful变形容词，表“具有……特性”； 加-less变形容词，表“缺乏……特性”。
2. After years of hard work,my uncle became successful and now he lives an easy and comfortable life.经过多年的努力工作，我叔叔成功了，现在他过着轻松舒适的生活。
live a/an... life 过着……的生活
3.Some people may say something hurtful to you, but they might not mean it, and you can talk to them and learn to communicate with people.有些人可能会说一些伤害你的话，但他们可能不是故意的，你可以和他们谈谈，学会与人交流。
（1）something hurtful 形容词修饰不定代词，形容词后置
mean v. 表示“……的意思”
拓展：
mean doing sth. 表示“意味着做某事”。
例如： Smoking means risking your health. 吸烟意味着在拿你的健康冒险。
mean to do sth. 表示“打算做某事”。
例如： I didn't mean to hurt you. 我不是故意要伤害你的。
形容人“吝啬的；刻薄的”。
例如， He's so mean with his money. （他花钱特别吝啬。）
（2）talk to sb 和某人交谈
（3）learn to do sth 学会做某事
（4）communicate with sb 和某人交流
4.Maybe, you find some subjects difficult and useless.也许，你会发现一些科目很难，毫无用处。
find sb./sth. +adj. 发现某人/某物……
eg: We find the new teacher kind.我们发现新老师很善良。
5.In a word, youth is a priceless experience.总之，青春是一段无价的经历。
(1)priceless adj.极珍贵的；无价的
(2)experience n. 经历 ，可数名词
eg: He has many experiences. 他有很多的工作经历。
n.经验， 不可数名词
eg: He gained valuable experience. 他赢得了宝贵的工作经验。
6. You should make the most of it.你应该充分利用它。
make the most of sth 充分利用某物
一、用适当的be动词填空。
1. Tom _______ swimming at this time yesterday.
2. She ________ reading a book at home at 6:00 p.m. yesterday afternoon.
3. ________ they riding bikes at 7:00 a.m. yesterday morning
4. I _________ doing my homework at 11:00 this morning.
5. ________ you watching a movie at this time yesterday
当堂检测
was
was
Were
was
Were
1. She was eating when I came in .
否定句：
一般疑问句：
肯定回答：
否定回答：
2. I was talking with my mother at this time yesterday.
否定句：
一般疑问句：
肯定回答：
否定回答：
She wasn’t eating when I came in.
Was she eating when I came in
Yes, she was.
No, she wasn’t.
I wasn’t talking with my mother at this time yesterday.
Were you talking with your mother at this time yesterday
Yes, I was.
No, I wasn’t.
二、写出下列句子的否定句、一般疑问句以及回答
THANKS
本课结束