Past Perfect Tense

Past Perfect is used when we want to say, that one action happened before another in the past.

The patterns are:

+ Subject +had + verb in the 3rd form + other parts of the sentence.

• I had done my homework before you came.
• He had already gone, when Sarah arrived to the party.

- Subject +had + not + verb in the 3rd form + other parts of the sentence.

• I had not done my homework before you came.
• He had not already gone, when Sarah arrived to the party.

? Had + subject + verb in the 3rd form + other parts of the sentence?

• Had I done my homework before you came?
• Had he already gone, when Sarah arrived to the party?