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