I could acquaint you could acquaint he could acquaint we could acquaint you could acquaint they could acquaint
V-ing form
I could be acquainting you could be acquainting he could be acquainting we could be acquainting you could be acquainting they could be acquainting
Perfect
I could have acquainted you could have acquainted he could have acquainted we could have acquainted you could have acquainted they could have acquainted
V-ing perfect
I could have been acquainting you could have been acquainting he could have been acquainting we could have been acquainting you could have been acquainting they could have been acquainting
Negation
Simple form
I couldn't acquaint you couldn't acquaint he couldn't acquaint we couldn't acquaint you couldn't acquaint they couldn't acquaint
V-ing form
I couldn't be acquainting you couldn't be acquainting he couldn't be acquainting we couldn't be acquainting you couldn't be acquainting they couldn't be acquainting
Perfect
I couldn't have acquainted you couldn't have acquainted he couldn't have acquainted we couldn't have acquainted you couldn't have acquainted they couldn't have acquainted
V-ing perfect
I couldn't have been acquainting you couldn't have been acquainting he couldn't have been acquainting we couldn't have been acquainting you couldn't have been acquainting they couldn't have been acquainting
Interrogative form
Simple form
could I acquaint? could you acquaint? could he acquaint? could we acquaint? could you acquaint? could they acquaint?
V-ing form
could I be acquainting? could you be acquainting? could he be acquainting? could we be acquainting? could you be acquainting? could they be acquainting?
Perfect
could I have acquainted? could you have acquainted? could he have acquainted? could we have acquainted? could you have acquainted? could they have acquainted?
V-ing perfect
could I have been acquainting? could you have been acquainting? could he have been acquainting? could we have been acquainting? could you have been acquainting? could they have been acquainting?
Interro-negative form
Simple form
couldn't I acquaint? couldn't you acquaint? couldn't he acquaint? couldn't we acquaint? couldn't you acquaint? couldn't they acquaint?
V-ing form
couldn't I be acquainting? couldn't you be acquainting? couldn't he be acquainting? couldn't we be acquainting? couldn't you be acquainting? couldn't they be acquainting?
Perfect
couldn't I have acquainted? couldn't you have acquainted? couldn't he have acquainted? couldn't we have acquainted? couldn't you have acquainted? couldn't they have acquainted?
V-ing perfect
couldn't I have been acquainting? couldn't you have been acquainting? couldn't he have been acquainting? couldn't we have been acquainting? couldn't you have been acquainting? couldn't they have been acquainting?