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