The Past Perfect Continuous tense is used to express something that started in the past and continued until another time in the past.
POSITIVE STATEMENTS
| SUBJECT | HAD BEEN | VERB + ing | REST OF THE SENTENCE | 
| I | had been | standing | at the bus stop for thirty minutes. | 
| You | had been | standing | at the bus stop for thirty minutes. | 
| He | had been | standing | at the bus stop for thirty minutes. | 
| Mohan | had been | standing | at the bus stop for thirty minutes. | 
| The boy | had been | standing | at the bus stop for thirty minutes. | 
| She | had been | standing | at the bus stop for thirty minutes. | 
| Pooja | had been | standing | at the bus stop for thirty minutes. | 
| The girl | had been | standing | at the bus stop for thirty minutes. | 
| We | had been | standing | at the bus stop for thirty minutes. | 
| You | had been | standing | at the bus stop for thirty minutes. | 
| They | had been | standing | at the bus stop for thirty minutes. | 
| The children | had been | standing | at the bus stop for thirty minutes. | 
Notice that we use ‘had been’ and the verb + ing the same for all subjects.
NEGATIVE STATEMENTS
| SUBJECT | HAD NOT BEEN | VERB + ing | REST OF THE SENTENCE | 
| I | had not been | exercising | at the gymnasium. | 
| You | had not been | exercising | at the gymnasium. | 
| He | had not been | exercising | at the gymnasium. | 
| Mohan | had not been | exercising | at the gymnasium. | 
| The boy | had not been | exercising | at the gymnasium. | 
| She | had not been | exercising | at the gymnasium. | 
| Pooja | had not been | exercising | at the gymnasium. | 
| The girl | had not been | exercising | at the gymnasium. | 
| We | had not been | exercising | at the gymnasium. | 
| You | had not been | exercising | at the gymnasium. | 
| They | had not been | exercising | at the gymnasium. | 
| The children | had not been | exercising | at the gymnasium. | 
Notice that we use ‘had not been’ and the verb + ing form for all subjects.
INTERROGATIVE STATEMENTS / QUESTIONS
| HAD | SUBJECT | BEEN | VERB + ing | REST OF THE SENTENCE | 
| Had | I | been | waiting | for a long time? | 
| Had | you | been | waiting | for a long time? | 
| Had | he | been | waiting | for a long time? | 
| Had | Mohan | been | waiting | for a long time? | 
| Had | the boy | been | waiting | for a long time? | 
| Had | she | been | waiting | for a long time? | 
| Had | Pooja | been | waiting | for a long time? | 
| Had | the girl | been | waiting | for a long time? | 
| Had | we | been | waiting | for a long time? | 
| Had | you | been | waiting | for a long time? | 
| Had | they | been | waiting | for a long time? | 
| Had | the men | been | waiting | for a long time? | 
The Past Perfect Continuous tense is used to express something that started in the past and continued until another time in the past.
POSITIVE STATEMENTS
| SUBJECT | HAD BEEN | VERB + ing | REST OF THE SENTENCE | 
| I | had been | standing | at the bus stop for thirty minutes. | 
| You | had been | standing | at the bus stop for thirty minutes. | 
| He | had been | standing | at the bus stop for thirty minutes. | 
| Mohan | had been | standing | at the bus stop for thirty minutes. | 
| The boy | had been | standing | at the bus stop for thirty minutes. | 
| She | had been | standing | at the bus stop for thirty minutes. | 
| Pooja | had been | standing | at the bus stop for thirty minutes. | 
| The girl | had been | standing | at the bus stop for thirty minutes. | 
| We | had been | standing | at the bus stop for thirty minutes. | 
| You | had been | standing | at the bus stop for thirty minutes. | 
| They | had been | standing | at the bus stop for thirty minutes. | 
| The children | had been | standing | at the bus stop for thirty minutes. | 
Notice that we use ‘had been’ and the verb + ing the same for all subjects.
NEGATIVE STATEMENTS
| SUBJECT | HAD NOT BEEN | VERB + ing | REST OF THE SENTENCE | 
| I | had not been | exercising | at the gymnasium. | 
| You | had not been | exercising | at the gymnasium. | 
| He | had not been | exercising | at the gymnasium. | 
| Mohan | had not been | exercising | at the gymnasium. | 
| The boy | had not been | exercising | at the gymnasium. | 
| She | had not been | exercising | at the gymnasium. | 
| Pooja | had not been | exercising | at the gymnasium. | 
| The girl | had not been | exercising | at the gymnasium. | 
| We | had not been | exercising | at the gymnasium. | 
| You | had not been | exercising | at the gymnasium. | 
| They | had not been | exercising | at the gymnasium. | 
| The children | had not been | exercising | at the gymnasium. | 
Notice that we use ‘had not been’ and the verb + ing form for all subjects.
INTERROGATIVE STATEMENTS / QUESTIONS
| HAD | SUBJECT | BEEN | VERB + ing | REST OF THE SENTENCE | 
| Had | I | been | waiting | for a long time? | 
| Had | you | been | waiting | for a long time? | 
| Had | he | been | waiting | for a long time? | 
| Had | Mohan | been | waiting | for a long time? | 
| Had | the boy | been | waiting | for a long time? | 
| Had | she | been | waiting | for a long time? | 
| Had | Pooja | been | waiting | for a long time? | 
| Had | the girl | been | waiting | for a long time? | 
| Had | we | been | waiting | for a long time? | 
| Had | you | been | waiting | for a long time? | 
| Had | they | been | waiting | for a long time? | 
| Had | the men | been | waiting | for a long time? | 
 
         
 
        