modal auxiliaries

1. will
  a. menyatakan kehendak
  - i will tell you the truth
  b. menyatakan permintaan
  - will you close the window, please?
2. shall
  a. menyatakan pertanyan
  - shall i open the window?
  b. menyatakan suatu peristiwa yang akan terjadi
  - i shall you next saturday night
3. can
  a. menyatakan kemampuan
   - i can speak english fluently
  b. menawarkan sesuatu
   - what can i do for you?
4. may/might
  a. menyatakan kemungkinan
   - she may still be on her way.
5. must
  a. menyatakan keharusan
   - you must be on time
  b. menyatakan larangan
   - you must not go alone. it's too dangerous for you
6. have/has to
   a. menyatakan keharusan
   - all students have to obey the rules.
7. would
   a. menyatakan undanga atau tawaran
   - would you go with me?
   b. menyatakan permintaan sopan
   - would you take me my book, please?
8. should
   a. menyatakan saran
   - you should study hard in order to become clever.