Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could build. compose you could build. compose he could build. compose we could build. compose you could build. compose they could build. compose
V-ing form
I could be build. composing you could be build. composing he could be build. composing we could be build. composing you could be build. composing they could be build. composing
Perfect
I could have build. composed you could have build. composed he could have build. composed we could have build. composed you could have build. composed they could have build. composed
V-ing perfect
I could have been build. composing you could have been build. composing he could have been build. composing we could have been build. composing you could have been build. composing they could have been build. composing
Negation
Simple form
I couldn't build. compose you couldn't build. compose he couldn't build. compose we couldn't build. compose you couldn't build. compose they couldn't build. compose
V-ing form
I couldn't be build. composing you couldn't be build. composing he couldn't be build. composing we couldn't be build. composing you couldn't be build. composing they couldn't be build. composing
Perfect
I couldn't have build. composed you couldn't have build. composed he couldn't have build. composed we couldn't have build. composed you couldn't have build. composed they couldn't have build. composed
V-ing perfect
I couldn't have been build. composing you couldn't have been build. composing he couldn't have been build. composing we couldn't have been build. composing you couldn't have been build. composing they couldn't have been build. composing
Interrogative form
Simple form
could I build. compose? could you build. compose? could he build. compose? could we build. compose? could you build. compose? could they build. compose?
V-ing form
could I be build. composing? could you be build. composing? could he be build. composing? could we be build. composing? could you be build. composing? could they be build. composing?
Perfect
could I have build. composed? could you have build. composed? could he have build. composed? could we have build. composed? could you have build. composed? could they have build. composed?
V-ing perfect
could I have been build. composing? could you have been build. composing? could he have been build. composing? could we have been build. composing? could you have been build. composing? could they have been build. composing?
Interro-negative form
Simple form
couldn't I build. compose? couldn't you build. compose? couldn't he build. compose? couldn't we build. compose? couldn't you build. compose? couldn't they build. compose?
V-ing form
couldn't I be build. composing? couldn't you be build. composing? couldn't he be build. composing? couldn't we be build. composing? couldn't you be build. composing? couldn't they be build. composing?
Perfect
couldn't I have build. composed? couldn't you have build. composed? couldn't he have build. composed? couldn't we have build. composed? couldn't you have build. composed? couldn't they have build. composed?
V-ing perfect
couldn't I have been build. composing? couldn't you have been build. composing? couldn't he have been build. composing? couldn't we have been build. composing? couldn't you have been build. composing? couldn't they have been build. composing?