unit3 teenagers should be allowed to choose their own clothes
本单元知识点。
1，被动语态的构成（复习一般现在时及过去时，情态动词的被动语态）
2， allow sb. to do sth. 允许某人做某事（主动语态）如：
mother allows me to watch tv every night. 妈妈允许我每晚看电视。
be allowed to do sth. 被允许做某事（被动语态）如：
lily is allowed to go to qinzhou. 莉莉被允许去钦州。
3. get their ears pierced 穿耳洞。
让/使（别人）做某事 get sth. done(过去分词)
h**e sth. done 如：
i get my car made. =i h**e my car made. 我让别人修好我的车。
4.看起来好像…sb. seem to do sth. =it seems that +从句。
he seems to feel very sad.
it seems that he feels very sad. 他看起来好像很伤心。
5，系动词不能独立作谓语，要和表语一起构成谓语。常用的连系动词有：look, feel, be, become, get, turn, smell, taste, stay(保持), kept等。
连系动词除be 和become 等少数词可接名词作表语外，一般都是接形容词。 如：
they are very happy. he became a doctor two years ago. she felt very tired.
6，倒装句：
由so＋助动词(be/do/will/h**e)/情态动词＋主语意为：…也是一样。
she is a student. so am i. 她是一个学生，我也是。
she went to school just now. so did i . 她刚才去学校了，我也是。
she has finished the work. so h**e i . 她已经完成了工作，我也完成了。
she will go to school. so will he. 她将去学校，他也是。
7. the other day 前几天； 用于一般过去时。
8，keep sb/ sth. ＋形容词使某人/某物保持…. 如：
we should keep our city clean.我们应该保持我们的城市干净。
9，花费 take ,cost, spend , pay
sth. take (sb.) time to do sth. it took (me) 10days to read the book.
sth. cost (sbthe book cost (me) 100yuan.
sb. spend … on sth. she spent 10days on this book.
sb. spend …doing sth. she spent 10days reading this book.
sb. pay … for sthshe paid 10yuan for this book.
10， h**e +时间段+off 放假，休息如：h**e 2 days off
11，get in the way of 碍事，妨碍如：
her social life got in the way of her studies. 她的社会生活妨碍了她的学习。
12. success n. succeed v. successful adj. successfully adv.
13，对… 热衷， 对…兴趣。
be serious about doing 如：she is serious about dancing. 她对跳舞热衷。
be serious about sth. 如：she is serious about him. 她对他感兴趣。
平行训练。1、he s up for his f**orite tv programme last night .
2、parents should not be too s with teenagers.
3、your classroom is so dirty . everyone should keep it
a . dry b . open c . clean d . quiet
4、although he is only a boy . he knows a lot .
a . five year old b five---year---old c . five---years---old d . five---year---olds
5the holidays are too short .
a . to present b . at present c . in present d . about present
6、first of all, the teachers must be strict their students .
a . at b . in c . for d . with
7、walking is good our health .
a .in b . for c . to d . at
8、tim likes chinese, so does rose .（合并为一句）
tim rose chinese .
9、don’t worry .he is to take care of little betty .
a . carefully enough b . careful enough c . enough enough d . enough carefully
10、are these pants for me to wear ?
a . enough long b . enough longer c . long enough d . longer enough
11、why , tom , didn’t you get your bike ?
a . mend b . to mend c . mending d . mended
12、my mother h**e me the flowers .
a . watering b . watered c . to water d . water
13、the teacher allowed games after class .
a . play b . to play c . playing d . played
14、the students are allowedgames after class .
a . play b . to play c . playing d . played
15、the book is too hard to read .（同义句转换 .）
the book is not to read .
16、the food seems bad .（同义句转换）
that the food bad .
17、he spent half an hour (finish) doing his homework .
18、--she can speak english .
她的哥哥也如此）
19、--he is a good teacher .
我也是）20、i think sixteen-year-oldsshould be allowed to drive .(改为否定句)
i think sixteen-year-olds shouldto drive .
21、we h**e worked for three hours .now let’s stop a rest .
a had b h**e c to h**e d h**ing
22、 we had a party h**ing classes last friday .
a . instead b instead of c but d still
23、they didn’t let the students take books out of the reading—room .（同义句转换）
the studentsto take books out of the reading—room .
24、mr, wang won’t go to beijing . will go instead .(合并为一句)
mr, zhang will go to beijingmr. wang .
25、students slippers when they are at school.
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