English verb conjugation
COULD DEADPAN

Regular verb: deadpan - deadpaned - deadpaned

Affirmation

Simple form	V-ing form
I could deadpan you could deadpan he could deadpan we could deadpan you could deadpan they could deadpan	I could be deadpaning you could be deadpaning he could be deadpaning we could be deadpaning you could be deadpaning they could be deadpaning
Perfect	V-ing perfect
I could have deadpaned you could have deadpaned he could have deadpaned we could have deadpaned you could have deadpaned they could have deadpaned	I could have been deadpaning you could have been deadpaning he could have been deadpaning we could have been deadpaning you could have been deadpaning they could have been deadpaning

Negation

Simple form	V-ing form
I couldn't deadpan you couldn't deadpan he couldn't deadpan we couldn't deadpan you couldn't deadpan they couldn't deadpan	I couldn't be deadpaning you couldn't be deadpaning he couldn't be deadpaning we couldn't be deadpaning you couldn't be deadpaning they couldn't be deadpaning
Perfect	V-ing perfect
I couldn't have deadpaned you couldn't have deadpaned he couldn't have deadpaned we couldn't have deadpaned you couldn't have deadpaned they couldn't have deadpaned	I couldn't have been deadpaning you couldn't have been deadpaning he couldn't have been deadpaning we couldn't have been deadpaning you couldn't have been deadpaning they couldn't have been deadpaning

Interrogative form

Simple form	V-ing form
could I deadpan? could you deadpan? could he deadpan? could we deadpan? could you deadpan? could they deadpan?	could I be deadpaning? could you be deadpaning? could he be deadpaning? could we be deadpaning? could you be deadpaning? could they be deadpaning?
Perfect	V-ing perfect
could I have deadpaned? could you have deadpaned? could he have deadpaned? could we have deadpaned? could you have deadpaned? could they have deadpaned?	could I have been deadpaning? could you have been deadpaning? could he have been deadpaning? could we have been deadpaning? could you have been deadpaning? could they have been deadpaning?

Interro-negative form

Simple form	V-ing form
couldn't I deadpan? couldn't you deadpan? couldn't he deadpan? couldn't we deadpan? couldn't you deadpan? couldn't they deadpan?	couldn't I be deadpaning? couldn't you be deadpaning? couldn't he be deadpaning? couldn't we be deadpaning? couldn't you be deadpaning? couldn't they be deadpaning?
Perfect	V-ing perfect
couldn't I have deadpaned? couldn't you have deadpaned? couldn't he have deadpaned? couldn't we have deadpaned? couldn't you have deadpaned? couldn't they have deadpaned?	couldn't I have been deadpaning? couldn't you have been deadpaning? couldn't he have been deadpaning? couldn't we have been deadpaning? couldn't you have been deadpaning? couldn't they have been deadpaning?