单元知识要点:

  词汇:

  National Day holiday, last week, after the holiday, watch a film with ..., visit a farm, on the farm, plant and water trees, pull up carrots, milk cows, collect eggs, fruit trees, pick oranges, taste oranges, want to do sth. the first day of school, in the playground, a funny cartoon, on Monday, at a camp, walk in the mountains, go camping, cook food, for hours

  句型:

  What did you do on Sunday?       I watched cartoons.

  What else did you do?             I visited the zoo.

  Were there any fruit trees on the farm? Yes, there were./No, there were not.

  语法:

  一般过去时(形为动词型):表示过去某一时间发生的动作

  1.动词过去式的规则变化:

  i. 一般直接在词尾加 “ed”。如:

  plant - planted      visit - visited      pick - picked

  ii. 以不发音字母 “e”结尾,直接加 “d”。 如:

  like - liked        taste - tasted

  iii. 以辅音字母加 “y”结尾,需变 “y”为 “i”再加 “ed”。 如:

  try - tried         cry - cried        study - studied

  iv. 有些动词要双写最后一个字母,再加 “ed”。 如:

  stop - stopped

  2. 规则动词的词尾读音:

  在浊辅音和元音后读/d/, 如lived, listened。

  在清辅音后读/t/, 如liked, helped, watched。

  在/t/, /d/后读/id/, 如planted。

  3.动词过去式的不规则变化:

  is/am-was     are-were     do/does-did    have/has-had

  fly-flew       eat-ate     go-went       sing-sang

  drink-drank    give-gave   sit-sat        come-came

  get-got       make-made  read-read      see-saw

  tell-told       take-took   draw-drew

  4.基本句型

  a. 陈述句肯定句:主语+动词过去式+其他.

  b. 陈述句否定句:主语+didn‘t+动词原形+其他.

  c. 一般疑问句: Did+主语+动词原形+其他?

  Yes, 主语did./ No, 主语didn’t

  d. 特殊疑问句:特殊疑问词+did+主语+动词原形+其他?