What is the past perfect?

The past perfect is used to describe actions or events that were completed before another action in the past. This can be used to show an order of two past events.

Example: By the time Sarah arrived at the party, most of the guests had already left.“

In this sentence, the past perfect (had already left) shows that the guests left before Sarah arrived. Sarah's arrival (arrived) is in the simple past. The event happened later in the chronological order.

How to form the past perfect tense

There are three main forms of the past perfect: affirmative (statement), negative (negation) and interrogative. Here are the details:

The affirmative form of the past perfect

The affirmative form is generally used to make a statement about an action or event that was completed before another time in the past.

Structure: Subject + had + past participle

Examples of the affirmative form of the past perfect

  • I had called her before the party started.
  • They had already left when I arrived.
  • We had eaten by the time the guests showed up.
  • She had studied French before moving to Paris.
  • By the time I got home, my family had gone to bed.
  • The train had already left when I reached the station.
  • He had forgotten about the meeting until I reminded him.
  • We had planned everything before the trip.
  • They had packed all their bags before the taxi arrived.
  • She had finished the book before I even started.

The negative form of the past perfect

The negative form is used to express that an action or event did not take place before another time in the past.

Structure: Subject + had not (hadn't) + past participle

Examples of the negative form of the past perfect

  • I hadn’t called her before the party started.
  • They hadn’t left when I arrived.
  • We hadn’t eaten by the time the guests showed up.
  • She hadn’t studied French before moving to Paris.
  • By the time I got home, my family hadn’t gone to bed.
  • The train hadn’t left when I reached the station.
  • He hadn’t forgotten about the meeting until I reminded him.
  • We hadn’t planned everything before the trip.
  • They hadn’t packed all their bags before the taxi arrived.
  • She hadn’t finished the book before I even started.
Im Hintergrund liegen verschiedene alte Uhren, im Vordergrund Buchstabensteine, welche das Wort

The interrogative form of the past perfect

The interrogative form is used to ask whether an action or event took place before another point in time in the past.

Structure: Had/Hadn't + subject + past participle

Examples of the interrogative form of the past perfect

  • Had you called her before the party started?
  • Had they left when you arrived?
  • Had we eaten by the time the guests showed up?
  • Had she studied French before moving to Paris?
  • Had they gone to bed when you got home?
  • Had the train left when you reached the station?
  • Had he forgotten about the meeting until you reminded him?
  • Had we planned everything before the trip?
  • Had they packed all their bags before the taxi arrived?
  • Had she finished the book before you started?

The past perfect in hypothetical situations

The past perfect is also used in hypothetical situations to express conditions or ideas about the past that have not happend. It is often used in conjunction with the third conditional to show what could have happened.

Structure: If + subject + had + past participle

The past perfect in hypothetical situations

  • If I had known, I would’ve called earlier.
  • She would have succeeded if she had studied more.
  • If we had left earlier, we wouldn’t have missed the bus.
  • They would’ve finished the project if they had more time.
  • If he had told me, I wouldn’t have been late.
  • We would’ve gone if the weather had been better.
  • If you had asked, I would’ve helped.
  • They would’ve arrived sooner if they had taken a taxi.
  • If she had seen him, she would’ve waved.
  • If I had known, I would’ve come to the party.

Common expressions with the past perfect

The following expressions help to connect two past actions and clarify the order of events.

Expression Example sentence Explanation
Before I had finished my homework before I watched TV. Used to describe an action completed prior to another action in the past.
By the time By the time the guests arrived, we had already cleaned the house. Describes something that happened before a specific point in time.
After After she had left, we started the meeting. Indicates that one event followed the completion of another.
Once Once we had eaten, we went for a walk. Used when one action is completed and another follows.
Until They hadn’t left until it started raining. Highlights that an action continued up to a certain point.
When When I arrived, he had already left. Describes an action that was completed before another action happened.
Just She had just finished her work when the phone rang. Emphasizes that one action was completed very recently before another.
As soon as As soon as he had packed his bags, he left for the airport. Indicates one action was completed immediately before another began.
By By the time the show started, they had already found their seats. Refers to something that happened before a specific time.
No sooner … than No sooner had she arrived than the train left. Describes two actions happening in quick succession, often used for emphasis.

Auf einer schwarzen Tafel stehen die verschiedenen Zeitformen in Großbuchstaben

Common mistakes with the past perfect

When using the past perfect, there are some common mistakes that can easily be avoided:

1. Use of past perfect in the wrong context

The past perfect should only be used when an action was completed before another action in the past. A common mistake: It is used for an action that simply took place in the past.

Wrong: I had visited the cinema yesterday.

Right: I visited the cinema yesterday.

2. Use of „had“ without past participle

Another common mistake is to use „had“ without using the correct verb form (past participle).

Wrong: She had go to the store.

Right: She had gone to the store.

3. Incorrect word order in interrogative sentences

In interrogative sentences, „had“ should always be placed at the beginning of the sentence.

Wrong: You had finished your work?

Right: Had you finished your work?

The key to clear and precise sentences

The past perfect is extremely useful for describing the order of events in the past clearly and precisely. By using it correctly and avoiding the most common mistakes, you can easily use the past perfect in everyday conversations and texts. So, don't be afraid of the past tense – with a little practice, the past perfect will really help you take your English to the next level. Tip: You can learn the tenses particularly quickly and effectively in an English course.

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