Grammar

 

Present

  1. Present Simple: I do 
  2. Present Continuous: I am doing
  3. Present Perfect I: I have done
  4. Present Perfect II
  5. Present Perfect III
  6. Present Perfect Continuous I: I have been doing
  7. Present Perfect Continuous II
  8. Present Perfect Continuous III

Past

  1. Past Simple: I did
  2. Past Continuous I: I was doing
  3. Past Continuous II
  4. Past Continuous III
  5. Past Perfect: I had done
  6. Past Perfect Continuous: I had been doing

Future

  1. Future Simple & Continuous: I will do / I will be doing
  2. Plans
  3. Decisions I
  4. Decisions II
  5. Opinions & Predictions
  6. Future Perfect & Continuous: I will have done / been doing

Prepositions

  1. To / At / In 
  2. At work
  3. on
  4. To vs at (communications)
  5. Look at / to / over
  6. -to