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1.表示过去发生的动作对现在造成的影响，或结果，常与recently, ever, never,already,yet ,just,before still连用;
2.表示发生在过去并且一直持续到现在的动作或状态，常与for+时间段或since+时间点连用。
结构：have(has)+过去分词，
get into=enter进入, what's the price of …=how much is …问价格
dream about梦到, dream of 梦见,
around the world=all over the world全世界,
stay with sb.与某人呆一起 stay at home呆在家里,
stay in bed呆在床上 , walk to =go to…on foot步行去
take off 脱下，起飞, land on/in /at 着路,
all over China,全中国, take a seat =have a seat请坐 ,
come ture实现, fly to =go to ...by plane(by air),坐飞机
drive to =go to …by car开车， at the end of在…尽头/结尾
sell out 卖光, at the end 在结束时,
have been to去过(现在不在那儿) ,have gone to 去了(现在不在说话地)
everyday English日常英语， first price一等奖，
The most exciting experience最激动人心的经历， before long不久，
long before=soon=a little later很久以前， no problem没问题，
have a problem in doing sth.做某事有困难， work out a problem解决一个问题，
invite sb to do sth,邀请某人做某事 invite sb to some place邀请某人去某地,
one day,某一天，(过去或将来) some day某一天(将来) ,
连系动词，一是be (am, is ,are ,was ,were,)一感觉feel ，一保持keep，三变become, get turn，
四起来taste ,smell , look, sound，后跟形容词作表语。
不定代词：somebody, some one某人，anybody,anyone任何人nobody,no one，没人everyone,everybody每个人,something某物 ,anything任何物,nothing没事,everything一切事物，修饰他们的形容词放后。
different kinds of =all kinds of 不同种类的，各种各样的，
by the end of 到…末为止，不迟于
give a concert=give concerts举办音乐会
in the end =finally最后，终于，
take a photo=take photos照相，店 cook sth for sb.=cook sb.sth. 为某人做饭buy,make
such+a /an +adj+单数名词=so +adj+a/an+单数名词 (名前such，形副so，多多少少也用so,little属特殊，“小”用such,少用so.)
交通工具的乘坐，take the(a) +交通工具to , =go...by+交通工具=go...on /in+a(the)+交通工具(小汽车只能用in ，其余的可用in ,on);
walk to some where=go to...on foot; fly to somewhere.=go ....by plane
ride to somewhere=go...by bike, drive to somewhere=go to by car,
a kind of一种 , be kind to sb对某人友善 since then从那时起，
take off 脱下，起飞，请假, reckon=consider =regard =think考虑，认为,
be reckoned (to be) ,被以为 reckon....as... 相当于
regard ...as...把当成 in the photo,在照片里
go abroad,出国 be abroad,在国外 travel abroad,到国外旅行
sell out,卖光 sell to , 卖给某人 sell well卖得好 ,
四个也：also,肯定，行前be 后;too肯定，句末;either,否定，句末;as well,肯定，句末。
go to sleep,去睡觉 the price of,....的价格，形容价格用high,low。
sell sth at a high price,以高价出售， sell sth at a low price,以低价出售。
yet ,用于完成时态的否定句和疑问句中;have a wonderful time 玩得高兴,
would like to do sth=want to do sth,想要做某事
would like sb. to do sth=wat sb to do sth想要某人做某事
