Regular verb: open the top - open the toped - open the toped
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could open the top you could open the top he could open the top we could open the top you could open the top they could open the top
V-ing form
I could be open the toping you could be open the toping he could be open the toping we could be open the toping you could be open the toping they could be open the toping
Perfect
I could have open the toped you could have open the toped he could have open the toped we could have open the toped you could have open the toped they could have open the toped
V-ing perfect
I could have been open the toping you could have been open the toping he could have been open the toping we could have been open the toping you could have been open the toping they could have been open the toping
Negation
Simple form
I couldn't open the top you couldn't open the top he couldn't open the top we couldn't open the top you couldn't open the top they couldn't open the top
V-ing form
I couldn't be open the toping you couldn't be open the toping he couldn't be open the toping we couldn't be open the toping you couldn't be open the toping they couldn't be open the toping
Perfect
I couldn't have open the toped you couldn't have open the toped he couldn't have open the toped we couldn't have open the toped you couldn't have open the toped they couldn't have open the toped
V-ing perfect
I couldn't have been open the toping you couldn't have been open the toping he couldn't have been open the toping we couldn't have been open the toping you couldn't have been open the toping they couldn't have been open the toping
Interrogative form
Simple form
could I open the top? could you open the top? could he open the top? could we open the top? could you open the top? could they open the top?
V-ing form
could I be open the toping? could you be open the toping? could he be open the toping? could we be open the toping? could you be open the toping? could they be open the toping?
Perfect
could I have open the toped? could you have open the toped? could he have open the toped? could we have open the toped? could you have open the toped? could they have open the toped?
V-ing perfect
could I have been open the toping? could you have been open the toping? could he have been open the toping? could we have been open the toping? could you have been open the toping? could they have been open the toping?
Interro-negative form
Simple form
couldn't I open the top? couldn't you open the top? couldn't he open the top? couldn't we open the top? couldn't you open the top? couldn't they open the top?
V-ing form
couldn't I be open the toping? couldn't you be open the toping? couldn't he be open the toping? couldn't we be open the toping? couldn't you be open the toping? couldn't they be open the toping?
Perfect
couldn't I have open the toped? couldn't you have open the toped? couldn't he have open the toped? couldn't we have open the toped? couldn't you have open the toped? couldn't they have open the toped?
V-ing perfect
couldn't I have been open the toping? couldn't you have been open the toping? couldn't he have been open the toping? couldn't we have been open the toping? couldn't you have been open the toping? couldn't they have been open the toping?