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