The chamber of secrets

Imperfect indicative tense is used to express a repeated action in the past or an interrupted action in the past.

How to conjugate the imperfect 

The French Imperfect Indicative is conjugated by using the nous form of the present tense, removing the –ons ending, and adding the French Imperfect Indicative endings.

sin.                            plu. 

1. – ais                     1.  – ions

2. – ais                     2. – iez

3. – ait                      3. – aient