Unit 2 Go for it! Period 2 Grammar (共18张PPT) 2024-2025学年英语外研版七年级下册

(共18张PPT)
Unit 2
Go for it
Grammar
学习目标
1
2
了解并掌握不定代词both \ all \ neither \ none \ either的含义及用法；
通过实践活动，正确运用不定代词both \ all \ neither \ none \ either ；
Read the sentences and focus on the bold words.
(a) All of them held their breath.
(b) Either choice seemed fine for someone at his age. But Zhang
chose neither of them.
(c) None of his family members worried or tried to stop him.
What part of speech are these words
indefinite pronouns
新课讲授
indefinite pronouns
不明确指代某个人、某个事物、某些人、某些事物的代词叫不定代词
定义
种类
不定代词
普通不定代词
复合不定代词
some, any, every, each, no
, either, neither, , none
many, much, more, most
little, a little, few, a few
other, others, another the other, the others
both
all
indefinite pronouns
both
all
两者都
Both of my parents like apples.
All of my friends like apples.
三者及以上都
both
all
both
all
两者都
Both of my parents like apples.
All of my friends like apples.
三者及以上都
They both like apples.
They all like apples.
both
all
两者都
Both of my parents like apples.
All of my friends like apples.
三者及以上都
They both like apples.
They all like apples.
可用于主语之后
可用于主语之后
both
all
两者都
Both of my parents like apples.
All of my friends like apples.
三者及以上都
They both like apples.
They all like apples.
可用于主语之后
可用于主语之后
谓语用复数
谓语用复数
all 还可以指不可数的事物
All the air in the balloon rushed out when it popped.
both
all
两者都不
三者及以上都不
neither
none
Neither of my parents likes apples.
None of my friends like/likes apples.
Both of my parents like apples.
All of my friends like apples.
“两者（中的任何一个）都不……”
（三者或三者以上的人或者物） 都不……”
I thought there was some coffee in my office, but there’s none there.
none 除指可数的人和物外，还可以表示不可数的东西。
两者中的任意一个
either
Either of the dresses is beautiful.
— Which of the two shirts do you want
— Either will do.
注意：either 表示二选一，如在下面的例句中，either 表示 “哪个都可以”，说明购物者要买一件衬衫而不是两件都要。如表示两件都要，则用 both。
both ... and ...
either ... or ...
neither ... nor ...
要么……要么……
既不……也不……
……和……
① Both Ann and Tom were late.
② Either you or I am wrong.
③ Neither my brother nor I am interested in drawing.
当either... or... 和neither... nor... 连接两个主语时，谓语动词应与它最近的主语在人称和数上保持一致。
Match the pictures with words. Then make a sentence with each word.
+
+
/
+
both neither either none all
1. ___ of the two roads leads to the park.
a) Both b) Neither c) Either d) None
2. ___ of the students knew the answer.
a) Both b) Neither c) Either d) None
3. ___ of the books on the shelf are interesting.
a) Both b) Neither c) Either d) All
4. ___ of the cakes were eaten.
a) Both b) Neither c) Either d) None
5. ___ of the children were playing outside.
a) Both b) Neither c) Either d) All
6. ___ of the apples are ripe.
a) Both b) Neither c) Either d) None
Sink or swim
As a child, Bethany Hamilton’s dream was
to become a surfer. But when she was 13,
a shark attacked her. She lost 1_____ of
her left arm and nearly died. Should she
keep going, or give up surfing She knew things could go 2_______way.
However, just 26 days later, she went to surf again. Two years later that, she won a top surfing competition. The other suffers had 3_____ arms, but 4______ of them could compare with Bethany.
5_______achievement seemed possible, but Bethany never gave up. She enjoyed every minute on her surfboard. She worked hard to ride the waves of her dream.
either
Neither
both
none
all
both all neither none either
含义 两者都 三者及以上都 两者都不 一个都没有 两者选一
用法 用于指代两个人或事物，谓语动词用复数 用于指代三个或更多的人或事物，谓语动词用复数 用于指代两个人或两件事物，谓语动词用单数 用于指代三个或更多的人或事物，谓语动词用单数或复数均可 用于指代两个人或两件事物中的任何一个，谓语动词用单数
课堂总结
选择合适的不定代词填空。
1. There are many trees on ______ sides of the street.
2. ______ of my parents is a teacher. They are both doctors.
3. ______ of the colors, blue or green, would look nice on the wall.
4. There are many fruits in the basket, but ______ of them is fresh.
5. ______ the students in our class like English.
all, both, either, neither, none
All
both
Either
Neither
none
当堂检测
Use indefinite pronouns to tell
stories of sports lovers.
Homework