Learn English Tenses: Just learn these 12 sentences.

For Present Tense

  1. Subject verbs the Object. (Indefinite)
  2. Subject is verbing the Object. (Continuous)
  3. Subject has/have verbed the Object. (Perfect)
  4. Subjects has/have been verbing the object. (perfect continuous )

For past Tense

  1. Subject verbed the Object. (Indefinite)
  2. Subject was/were verbing the object. (Continuous)
  3. Subject had verbed the object. (Perfect)
  4. Subject had been verbing the Object. (perfect continuous )

For Future Tense

  1. Subject will/shall verb the object. (Indefinite)
  2. Subject wil/shall be verbing the object. (Continuous)
  3. Subject will/shall have verbed the object. (Perfect)
  4. Subject will /shallhave been verbing the Object. (perfect continuous )