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Grammar contents seen in units 1 and 2, Indirect questions are used to ask…

- - - - Simple past
      - Continuous
      - Perfect past
      - Perfect continuous
  - - - Simple past
      - Continuous
      - Perfect past
      - Perfect continuous
  - - - Simple
      - Continuous
      - Perfect perfect
      - Perfect continuous
- - - - no rule
    - - verb with (ed)
    - - Infinitive form-to ride
        
        Third person form-rides
        
        Simple form-ride
        
        Past tense form-rode
        
        Past participle form-ridden
        
        Present participle form-riding