Usar "progressive tense" en una oración

1. The perfect progressive tense describes actions that repeated over a period of time in the past, are continuing in the present, and/or will continue in the future

2. The present perfect progressive tense tells you about a continuous action that was initiated in the past and finished at some point in the past; however, the action has some relation to the present time

3. The past perfect progressive tense illustrates a continuous action in the past that was completed before another past action

4. The future perfect progressive tense indicates a continuous action that will be completed in the future

5. The progressive tense involves action that is, was, or will be in progress at a certain time

6. In the progressive tense, verbs are formed with a "be" verb + ing