Lingbase stands for all people who study English and does not support armed conflicts. Due to the restrictions in online payments our service is now completely free for all new users until the end of 2023.
Past perfect continuous form – Exercise 273
Loading...
How to form the past perfect continuous — summary
had been + infinitive + -ing
pronoun
auxiliary verb
infinitive + ing
I you he she it we they
had been ('d been)
had not been (hadn't been)
doing running working learning ...
Confirm your action
You can continue this exercise later on from the point where you stopped.