剑桥少儿英语预备级下课件Unit9-2

New:
Eg:I can swim. →
I can’t swim.
有情态动词can, 在情态动词后直
接加not或n’t。
New:
Practice ：（变否） 1:He can jump.
He can’t jump.
2: She can bounce the ball.
She can’t bounce the ball.
3: We caLeabharlann count the numbers.
We can’t count the numbers.
New:
4: I can run to the playground. I can’t run to the playground. 5:They can swim well. They can’t swim well.
New:
否定句 表示否定意义的句子！ 翻译成“不….”
N☆ew陈: 述句变否定句方法：
1）一找。（找老be或找情态动词）
2）二加。（在老be或情态动词后加not 或n’t，其他照抄；）
3) 三检查。（句子开头字母要大写， 结尾有句号）
☆既没有老be也没有情态动词，找雷锋 家的孩子帮忙.don’t（第1,2人称及第 3人称复数）doesn’t（第3人称单数）
没有老be和 情态动词，找 雷锋家的
don’t/doesn’t
帮忙
词打回原形
She doesn’t like oranges.
New:
Practice ：（变否）
1）I like pineapples. I don’t like pineapples. 2) Amy likes apples. Amy doesn’t like apples.
New:
3) The dog plays with ball. The dog doesn’t play with ball. 4) We like to play football. We don’t like to play football. 5) He likes pears . He doesn’t like pears.
New:
没有老be和
Eg:I
like
oranges.
→
情态动词，找 雷锋家的
第一人称 don’t
don’t/doesn’t
帮忙
I don’t like oranges.
New:
→like
→ SVhe likVes oranges.
第三人称
don’t/doesn’t有
doesn’t “照妖镜”把动
（don’t/doesn’t手里都有一面照妖镜，把动词打回原形）
New:
Eg:1) He is a teacher. →
He isn’t a teacher.
Eg:2) They are friends. →
They aren’t friends.
Eg:3) I am a I am not
agigrli.rl→☆不. 可am以与缩n写ot
New:
Practice(变否) 1.She is a girl. She isn’t a girl. 2.We are good friends. We aren’t good friends.
New:
3.They are girls. They aren’t girls. 4. Tom is a good boy. Tom isn’t a good boy. 5. I’m ten years old. I am not ten years old.