Given the following sentence, identify the tense:

He had been running for ten minutes
"He had been running for ten minutes"
The tense of the sentence "He had been running for ten minutes" is past perfect continuous.
Complete the following task based on the instruction and optional input provided.### Instruction:
Given the following sentence, identify the tense:

He had been running for ten minutes

### Input:
"He had been running for ten minutes"

### Output:
The tense of the sentence "He had been running for ten minutes" is past perfect continuous.