turn的用法
Now it ' s your turn to read the tex现在轮到你读课文了。
It's my turn to use the bike.该轮到我用自行车了。
You must sta nd in line and wait for your turn. 你必须排队等候。
含turn的短语有:take turns意为 替换”轮流” ；by turns意为 轮流地”。例如：
Please take turns to ask questi ons.请轮流提问。
We looked after the little boy by turns. 我们轮流照看这个小男孩。
We take turns to make dinner. 我们轮流做晚饭。 (=We make dinner by turns.)
注：take one's turn to do sth. = do sth. in turn =do sth. by turns 轮流做某事 =take turns to do sth.=take turns at doing sth.=take turns doing sth.
The nu rses atte nded the patie nt in turn / by turns. =The nu rses took turns to atte nd the patie nt. Th
e twins take turns to make dinner.
=The twins take tur ns at making dinner.
=The twins take tur ns mak ing dinner.
In spring the trees turn green and the flowers start to come out. 春天，树变绿了，花儿开了 ?
In autumn the leaves turn yellow. 秋天树叶变黄。
She turned pale.她的脸变得苍白。
三turn用作不及物动词时，意为转向”翻转”.
turn right / left = turn to the right / left
例如：
Turn right. At the end of the road you ' ll se向右eho在路勺尽头就是那家医院 ？
Just go straight and turn left. 一直往前走，然后向左拐？
Turn to Page 12 in your workbook.翻到练习册第 12 页？
He turned his face to the wall.他转过脸面向墙壁。
The road turns south outside town.此路在城外转弯向南。
turn to sth. / sb. (for help)
When I am in difficulty，I always turn to him for help. 我有困难时总是他帮忙。
四、 转动，旋转
The wheel turns when its axis moves. 轮轴动时，轮子也跟着转动。
He turned the key in the lock.他旋动插进锁里的钥匙。
五、 使倒置，使颠倒；倾倒[O]
He turned the glass upside down.他将玻璃杯子倒置。
六、 turn可以和介词或副词一起构成短语动词 ，表达不同的意思？常见的这些短语动词有：
1.turn over意为 翻过来"例如：
Tom turned over the note and read， 花儿开了“ Come and look for me in th 汤s姆把y便条翻过来读'
道，到书房来我.”
Please turn on the blender.请打开果汁机 ？
I turned on the radio. The little girl stopped crying. 我打开收音机，这小女孩不哭了 ？
3.turn off意为 关上（灯？收音机？电视机等）'例如：
Please turn off the TV set.请把电视机关掉 ？
Please remember to turn off all the lights whe n you leave. 请记住离开时一定把所有的灯都关
掉.
4.turn down/up意为 调低/高（音量）”例如:
Could you turn your radio dow n, please? 你能把收音机的音量调低一点儿吗 ？
Please turn the radio up .请把收音机的音量调高一些 ？
5.turn into 变成
Water has turned into ice.水已经结成了冰。
turn ... into ...（使 ）成为
The farmers are turni ng waste land into rice fields.
6.turn over （使）打翻/翻身/翻动/翻耕（土地）/转危为安
The man tur ned over and went to sleep aga in whe n the teleph one rang.
7.turn in 上交
The child picked up a purse on the way and tur ned it in to the policema n.
补：8. turn out结果是/证明是/生产出
The weather yesterday turned out （to be） fine.
The factory turned out more products tha n they had expected.
9.turn from side to side把身体转来转去
The naughty boy turned from side to side while answering questions in class.
10.turn up开大/出现/到/证明是（=turn out to be）
The meeti ng is beg inning , but he has not turned up. He might have bee n lost.
11.turn against 背叛
Nobody will tur n aga inst his coun try.
He turned aga inst his former frien ds. 他转而与以前的朋友作对。
He tried to turn my frie nds agai nst me.他试图使我的朋友反对我。
［练习］从ABCD中选择最佳答案.
1.— Do you mind if I the TV a bit?
—Yes, I do, because I ' m busy with my homework now.
A. turn on B. turn up C. turn dow n D. turn off
2.The lights must be before you leave the classroom.
A. tur ned on B. tur ned up C. tur ned dow n D. tur ned off
3.Don ' t the radio. The baby is sleeping.
A. turn off B. turn on C. turn over D. turn dow n
4.How magni fice nt the Bund looks at ni ght whe n all the lights are !
A. tur ned over B. turned off C. tur ned dow n D. tur ned on
5.— Her radio is too loud, isn ' t it?
—Yes. Let me tell her to .
A. turn it up B. turn up it C. tur n it dow n D. turn dow n it
6.— The radio is too noisy and there is nothing intere sting on it. Why don ' t you
—All right. I ' ll do that.
A. turn it on B. turn it off C. turn it back D. turn it up
Key: 1. B2. D3. B4. D5. C6. B
易错题：
Ten years later, he turned teacher.
A. / B. a C. an D. the
注:此题考查turn作连系动词的特殊用法，即turn作连系动词时后接表语名词， 省略冠词.所以
此题的答案为 A.如果turn后加into则须在名词前加冠词 a.
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