U2

这是一篇关于悠游国际少儿英语的第二单元的总结的思维导图，主要内容有grammar、word、sentence、phrase。

U2

• grammar
  • 现在完成时标志词
    • ever
      • 用于疑问句句中
    • never
      • 用于肯定句中表否定
• word
  • introduce
    • probably
      • anywhere
        • water-bike
          • find out
  • explorer
    • dog-feeder
      • afterwards
        • special
          • awesome
  • experience
    • hang glider
      • get out of
        • try
          • mysteriously
  • one-hundred-year-old egg
• sentence
  • Have you ever flown a plane by yourself?
    • No,I’ve never flown a plane by myself.
  • I’ve met a lot of new people.
  • I’ve run a 10K race.
• phrase
  • a lot of
  • for example
  • some of them
  • by myself
  • hang glider
  • get out of
  • water-bike
  • dog-feeder