Before discussing the perfect continuous form of past tense, let’s know about past tense. So, Past tense deals with the action that happened or ended. It is divided into four parts. Simple Past, Past continuous tense, Past Perfect tense, and Past Perfect Continuous tense. Therefore, the Past perfect continuous tense is one of the subcategories of the past tense. We can know from the name that some action is continuing. So, in the past perfect continuous tense, action starts in the past. Also, it continues in another time of the past. Whereas, In the present perfect continuous tense action starts in the past and continues in the present. 

Know more about Past Perfect Continuous Tense

Past Perfect continuous tense discusses past actions in the past. It means someone began his work in the past, and he continues it in the past. We can understand it by taking examples of past perfect continuous tense sentences. Example:- I had been listening to music for an hour. 

How do we identify the Past Perfect Continuous Tense?

Past perfect continuous tense sentences can be identified if the action has been running for some time. 

For example:- 

  1. He had been playing for two hours.
  2. They had not been arriving for a few days.
  3. Had Rakesh been quarreling with you for some time?
  4. Lata had been cooking since this morning. 
  5. We had been teaching since evening. 

From the above example, we can see continuity in all the actions. And this continuity ended up in the past. 

Structure of Past perfect continuous tense

  • Affirmative sentence

Subject + had + been + Verb⁴ + Object/Complement + since/for.

  • Negative sentence

Subject + had + not + been + Verb⁴ + Object/Complement + since/for.

  • Interrogative positive sentence

Had + Subject + been + Verb⁴ + Object/Complement + since/for? 

  • Interrogative, negative sentence

Had + Subject + not + been + Verb⁴ + Object/Complement + since/for? 

  • Wh- words positive sentence

Wh- words + had + been + Verb⁴ + Object/Complement + since/for? 

  • Wh- words negative sentence

Wh- words + had + not +been + Verb⁴ + Object/Complement + since/for? 

Important points

Keep some important points in your mind while making past perfect continuous tense sentences. 

  • We add the first auxiliary verb, ‘had,’ in the perfect continuous form of past tense. 
  • We add the ‘been’ as a second auxiliary verb in this sentence.
  • We always use the present participle form ( verb + ing) in the perfect continuous form of the past tense. 
  • We use ‘had’ with both singular and plural.
  • We use ‘since’ for denoting a point of time, and for the duration of time, we use ‘for.’ This Is similar to the present perfect continuous tense. For example:- Since Friday and for six-year years. 
  • We add ‘not’ in a negative sentence between the first auxiliary verb and the auxiliary verb. 

Example:- ‘Had’ + not + ‘been.’

  • We exchange the subject and first auxiliary verb while making an Interrogative sentence.

Example:- Had + S + been. 

Uses of the Past perfect Continuous Tense

There are some uses of past perfect continuous tense. We understand it by taking past perfect continuous tense examples. 

  • The perfect continuous form of the past tense deals with a state that began in the past. And It had been going on for some time in the past. For example:-
  1. We had been eating for an hour.
  2. Have you been waiting for me since 9 am? 
  • This tense also expresses a state that had been going on for some time before another action took place in the past. To clarify:-
  1. They had been playing chess for two hours when I joined them.
  2. We stood in a queue for half an hour before the bus arrived. 
  • This tense also expresses the cause of something in the past. To clarify:-
  1. You were tired because you had been working. 
  • We use ‘for’ and ‘since’ with the perfect continuous form of past tense like present tense. 

Conclusion

The past perfect continuous tense expresses an action which began in the past and continues for some time in the past and ceased. Also, it shows the effect of the past. Moreover, sometimes we confuse past perfect continuous tense with present perfect continuous tense. But, in the present, the time is ‘now,’ whereas, in the past perfect continuous sentences, the time has passed. Hence, we know the difference between past perfect and present perfect continuous tense. One should try to solve the exercises of both tenses and make the concept clear.