Question

past perfect continuous sentences with till and until​

Answer 1

Past Perfect Continuous Forms

The past perfect continuous is formed using had + been + present participle. Questions are indicated by inverting the subject and had. Negatives are made with not

Statement: You had been waiting there for more than two hours when she finally arrived.

Question: Had you been waiting there for more than two hours when she finally arrived?

Negative: You had not been waiting there for more than two hours when she finally arrived.

USE 2 Cause of Something in the Past

past perfect continuous cause

Using the past perfect continuous before another action in the past is a good way to show cause and effect.

Examples:

Jason was tired because he had been jogging.

Sam gained weight because he had been overeating.

Betty failed the final test because she had not been attending class.