Past Perfect Continuous - Practice (Fill In The Blanks) - Mechanical Engineering MCQ

The sentence is the past perfect continuous tense. The rule is :
Sub + had been + V1 + ing + object 
=> Mrs. Sally had been teaching English for thirty years before she retired.

My grandpa had been sleeping for three hours when I woke him up.

past perfect continous tense

Past Perfect Continuous Tense,
 My father had been trying to fix the broken pipe for an hour before we eventually called a plumber.

The sentence is in the past perfect continuous sentence.
The baby had been crying for fifteen minutes before her mother heard her cry.

Dan's driving duration is indicated by the phrase "had Dan been driving." This structure suggests the following:

• It uses the past perfect continuous tense.
• This tense highlights an action ongoing in the past before another past action.
• In this case, it refers to the time Dan spent driving prior to falling asleep.

Therefore, the question implies that Dan was driving for a certain period before the accident occurred. The focus is on the duration of his driving leading up to that moment.

How long had you been teaching before you were offered this position?

• The phrase refers to a duration of time.
• It uses the past perfect continuous tense: had been teaching.
• This tense indicates an action that started in the past and continued up to another point in the past.
• It reflects on the experience gained before receiving the job offer.

For example:

• If someone started teaching five years ago and received the offer last year, they would say they had been teaching for five years.

This structure helps convey not just the time spent, but also the continuity of the teaching experience leading to the opportunity.

The action of preparing the dinner was ongoing for a period of time before the guests arrived. This requires the Past Perfect Continuous tense to show the duration of the activity leading up to another past event.

The action of repairing the road was continuous and occurred over a span of time before the rain began. The Past Perfect Continuous tense is used to emphasize the ongoing nature of the action.

The question focuses on the duration of her studying, which was an ongoing process before the result of passing the exam. The Past Perfect Continuous tense is used to express this time frame leading to the event.