1. be supposed to do =should     应该\被期望做某事

  2. shake hands (with)sb 握手  shake 本意是"摇动、震动"

  3. should have done sth. "情态动词＋现在完成时"表示过去本应该做某事，事实上没有做

  4. be relaxed about sth. 对某事随意、不严格

  5. make plans to do

  plan to do.          打算做某事

  plan on doing

  6. fancy dress 聚会时所穿的奇装异服

  7. a fancy dress ball 化妆舞会

  8. drop by 访问 看望 拜访 串门

  drop in on sb 顺便走访某人

  visit sb                         拜访

  come over to

9. invite sb. to do sth. 邀请某人做某事

   Sb be invited to do sth.某人被邀请做某事。

1. be supposed to do =should     应该\被期望做某事

  2. shake hands (with)sb 握手  shake 本意是"摇动、震动"

  3. should have done sth. "情态动词＋现在完成时"表示过去本应该做某事，事实上没有做

  4. be relaxed about sth. 对某事随意、不严格

  5. make plans to do

  plan to do.          打算做某事

  plan on doing

  6. fancy dress 聚会时所穿的奇装异服

  7. a fancy dress ball 化妆舞会

  8. drop by 访问 看望 拜访 串门

  drop in on sb 顺便走访某人

  visit sb                         拜访

  come over to

9. invite sb. to do sth. 邀请某人做某事

   Sb be invited to do sth.某人被邀请做某事。