English verb conjugation
COULD AIM

Regular verb: aim - aimed - aimed

Affirmation

Simple form	V-ing form
I could aim you could aim he could aim we could aim you could aim they could aim	I could be aiming you could be aiming he could be aiming we could be aiming you could be aiming they could be aiming
Perfect	V-ing perfect
I could have aimed you could have aimed he could have aimed we could have aimed you could have aimed they could have aimed	I could have been aiming you could have been aiming he could have been aiming we could have been aiming you could have been aiming they could have been aiming

Negation

Simple form	V-ing form
I couldn't aim you couldn't aim he couldn't aim we couldn't aim you couldn't aim they couldn't aim	I couldn't be aiming you couldn't be aiming he couldn't be aiming we couldn't be aiming you couldn't be aiming they couldn't be aiming
Perfect	V-ing perfect
I couldn't have aimed you couldn't have aimed he couldn't have aimed we couldn't have aimed you couldn't have aimed they couldn't have aimed	I couldn't have been aiming you couldn't have been aiming he couldn't have been aiming we couldn't have been aiming you couldn't have been aiming they couldn't have been aiming

Interrogative form

Simple form	V-ing form
could I aim? could you aim? could he aim? could we aim? could you aim? could they aim?	could I be aiming? could you be aiming? could he be aiming? could we be aiming? could you be aiming? could they be aiming?
Perfect	V-ing perfect
could I have aimed? could you have aimed? could he have aimed? could we have aimed? could you have aimed? could they have aimed?	could I have been aiming? could you have been aiming? could he have been aiming? could we have been aiming? could you have been aiming? could they have been aiming?

Interro-negative form

Simple form	V-ing form
couldn't I aim? couldn't you aim? couldn't he aim? couldn't we aim? couldn't you aim? couldn't they aim?	couldn't I be aiming? couldn't you be aiming? couldn't he be aiming? couldn't we be aiming? couldn't you be aiming? couldn't they be aiming?
Perfect	V-ing perfect
couldn't I have aimed? couldn't you have aimed? couldn't he have aimed? couldn't we have aimed? couldn't you have aimed? couldn't they have aimed?	couldn't I have been aiming? couldn't you have been aiming? couldn't he have been aiming? couldn't we have been aiming? couldn't you have been aiming? couldn't they have been aiming?