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