unit 2 how often do you exercise?
1、at ( on ) weekends / at ( on ) the weekend 在周末。
2、go to pieces 破碎，崩溃go to prison 去坐牢。
3、help sb. (to ) do sth. =help sb. with sth. 帮助某人做某事。
help sb. out 帮助某人克服困难，渡过难关。
help sb. into / out of 搀扶某人进入/走出。
be of some / no / much help to sb. 对某人有些/没有/很有帮助。
with the help of sb. /with help 在….帮助下。
4、every day 每天，在句中作时间状语；everyday 每天的日常的，形容词，只作定语修饰名词。
5、be full of / be filled with 充满….
6、stay + 名词 stay a fisherman
stay + 形容词 stay angry / healthy
stay + 副词 stay up all night / stay away from home
stay + 介词 stay out of trouble / stay with friends / stay for a meal
stay up doing sth. 熬夜做某事。
stay/ keep healthy 保持健康 be in good/ bad/ poor health be good/ bad for one’s health
7、be good for 对….有益 / be good at 擅长 / be good with 对….有一套 / be good to 对….
友好，善待 / be bad for 对….不好。
8、here倒装句。
主语是名词全倒装 here + 谓语动词 + 主语（名词）
例句：here comes the bus. /here goes the bell.
/here is your letter. /here are my friends.
主语是代词部分倒装 here + 主语（代词）+ 谓语动词。
例句：here it is. /here you are.
9、关于go的短语。
go down on one’s knees 跪下go back to one’s old habits 恢复老习惯。
go along with … 随….一起去go on with sth. 继续做某事。
go bad 变质，腐烂go wrong 堕落，走入歧途go mad 发狂。
go abroad 出国go ahead 向前进go through 经历，通过。
go by 路过go in 参加，进去。
go after a job 寻求职业go against one’s wishes 违背某人心愿。
go for a doctor 去请医生go across 穿过，越过。
10、die死亡，消失 – died过去式– dead 死亡的，无生命的– dying垂死的，快死的 – death死亡
i’m going to die. /the man has been dead for about 3 months.
he is worried to death. /we must do everything to s**e the dying boy.
11、although; though
although 语气较重，引导句子常指事实，though可以表假设。
though可以引起从句主谓倒装，although不能倒装。
although指作连词；though可作连词和副词。
though可用于even / as though
although / though不能与but连用，可以和yet / still连用。
even though / if 即使，尽管 as though / if仿佛，好像。
12、how 如何（方式）
how long 多长（时间）答语常用“（for/ about +）时间段”
how far 多远（距离）答语常用“（it’s +）数词 +miles/ meters/ kilometers”
how often 多久一次（频率）答语常用“always/ often/ every day/…”或 “次数+时间”等表频率的状语。
how soon 多快，多久以后，常用在将来时中。答语常用“in +时间段”
how many 多少（接可数名词） how much（接不可数名词）
13、exercise 作v 锻炼，运动。
作 [c] 操，练习 do morning/ eye exercises
作 [uc] 锻炼 take much/ more exercise
14、do ( the ) housework = do chores 做家务事。
15、sometimes 有时（频度副词） sometime（将来）有朝一日，（曾经）某天
some times 几次，几倍some time 一段时间（前面用介词for）
16、go shopping = do some shopping
17、once twice three times
at once，right now，right away，in a minute，in a moment，in no time 立刻，马上。
once more 再一次，重新once upon a time 从前，曾经。
18、what’s your f**orite program? =what program do you like best?
19、free 空闲的 in one’s free time / be free
自由的 as free as a fish / freedom n.自由。
免费的 the best things in life are free.
20、be busy doing sth. /be busy with sth.
21、how come? 怎么会？为什么？
22、may be 为情态动词+动词原形，在句子中做谓语；maybe是副词，表示可能，大概，一般放在句首(perhaps)。
23、at least = no less thanat most = no more than
24、ask sb. about sthask sb. (not ) to do sthask sb. for help/ advice/ information
25、the result of …的结果 as a result 结果。
26、be surprised that/ be surprised at/ be surprised to do 对…很惊讶。
to one’s surprise 另某人惊讶的是 in surprise 惊讶地。
27、the answer to the question / a key to the door / a ticket to the ball game
28、by介词+n/ v-ing/代词通过…方式。
by oneself 独自地 by the way 顺便问/说一下 by chance/ accident 偶然地
by mistake 错误地 learn by heart 记住。
29、the best way/ time to do 做某事最好的方式/时间。
个花费。人+spend/ spends/ spent+时间/钱+ (in ) doing sth./ on sth. spend time with sb.
人+pay/ pays/ paid +钱+for sth.
it takes/ took sb. +时间+to do sth.
物+cost/ costs/ cost +sb. +钱。
31、before it’s too late 趁来得及。
32、“数字+percent of+ n”作主语，谓语动词取决于n
eg：twenty percent of the students exercise every day.
twenty percent of time passes.
33、no one = nobody指人，回答who，anyone，anybody的提问。
none指人或物，可接of 短语，（反义词→all ≥3）
回答how many/ much，any，及有特定范围（which）的提问。
nothing指物，回答what，anything的提问。
34、would you mind doing sth. =would you mind if + 从句。
mind doing / mind sb’s doing stn. 介意做某事。
回答：not at all. /never mind. /it’s nothing. /certainly not.
35、more than = over 超过，多于。
36、hardly ever 几乎从不。
hardly 几乎不（反义词nearly/ almost）
almost 几乎，差不多（强调差一点，缺一点）
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