What are the affirmative / negative formulas for Present Perfect?
Subject + ? + ?
S + have/has + Ved/3
S + have/has not+ Ved/3
What are the affirmative / negative formulas for Present Perfect Progressive?
S + ?
S + have/has been+ Ving
S + have/has not been+ Ving
What are the affirmative / negative formulas for Past Perfect?
S + ?
S + had + Ved/3
S + had not+ Ved/3
Create a sentence about this class using present perfect.
We have studied present perfect.
Create a sentence about yourself using Present Perfect Progressive
We have been studying online since March.
Rearrange the words and make a sentence in past perfect:
John/came/to her house/gone/he had/already/to the dentist/before
Before her friend came to her house, he had already gone to the dentist.
Create a sentence in past perfect progressive.
You can use "watch"
I had been watching every episode of my Friends before they stopped the show in Season 10
What is the affirmative formula for past perfect progressive?
S + ?
Subject + had been + V-ing
Subject + had not been + V-ing
I ________ (have) so much coffee since I ____ (wake up) this morning.
have had, woke up
We ____ (study) the perfect tense for three days.
have been studying
We ____ (met) when you ________ (introduce) us.
had met, introduced
They ____ (watch) a video for 5 minutes when I walked into the room.
had been watching
What is the negative formula for past perfect progressive?
Subject + had not been + V-ing