表达时间顺序的词

sentence:
  U have got to do something..
  Don't look wise..
  I hope this will teach u a lesson..
  It's a hard job but I hope he can make it..
  I feel younger than ever..
 
key words and expressions:
  beggar                       乞丐                          wise            英明的,明智的,告诉,劝导
  knock off/at/on/over  敲打,收工,撞倒        call in/by/on   来访/随便访问/拜访
  stood on one's head   倒立                          in return for   作为报答

pattern drill: 
  The car knocked the boy over..
  It's past 5 now let's knock off..
  The shop assistant knocked 10% off the bill..
  I shall call on him tomorrow..
  I'll call by at the shops on my way home..
  knock 不及物动词,后面必须跟介词
 
syntax: 
  可数:         a(an)/some/lots of/many/a great many of/a great many of
  不可数:     a little/a great deal of/a lot of/some/much
  量词:         a piece of cloth/a bar of soap/two bags of flour
  表示频率: once every two months/three times a week/twice a month
  表达时间顺序的词: then/later
  Today,I worked off at 5 o'clock then I went to the playground to play basketball,later I had supper with my GF.