English verb conjugation
COULD PROMPT

Regular verb: prompt - prompted - prompted

Affirmation

Simple form	V-ing form
I could prompt you could prompt he could prompt we could prompt you could prompt they could prompt	I could be prompting you could be prompting he could be prompting we could be prompting you could be prompting they could be prompting
Perfect	V-ing perfect
I could have prompted you could have prompted he could have prompted we could have prompted you could have prompted they could have prompted	I could have been prompting you could have been prompting he could have been prompting we could have been prompting you could have been prompting they could have been prompting

Negation

Simple form	V-ing form
I couldn't prompt you couldn't prompt he couldn't prompt we couldn't prompt you couldn't prompt they couldn't prompt	I couldn't be prompting you couldn't be prompting he couldn't be prompting we couldn't be prompting you couldn't be prompting they couldn't be prompting
Perfect	V-ing perfect
I couldn't have prompted you couldn't have prompted he couldn't have prompted we couldn't have prompted you couldn't have prompted they couldn't have prompted	I couldn't have been prompting you couldn't have been prompting he couldn't have been prompting we couldn't have been prompting you couldn't have been prompting they couldn't have been prompting

Interrogative form

Simple form	V-ing form
could I prompt? could you prompt? could he prompt? could we prompt? could you prompt? could they prompt?	could I be prompting? could you be prompting? could he be prompting? could we be prompting? could you be prompting? could they be prompting?
Perfect	V-ing perfect
could I have prompted? could you have prompted? could he have prompted? could we have prompted? could you have prompted? could they have prompted?	could I have been prompting? could you have been prompting? could he have been prompting? could we have been prompting? could you have been prompting? could they have been prompting?

Interro-negative form

Simple form	V-ing form
couldn't I prompt? couldn't you prompt? couldn't he prompt? couldn't we prompt? couldn't you prompt? couldn't they prompt?	couldn't I be prompting? couldn't you be prompting? couldn't he be prompting? couldn't we be prompting? couldn't you be prompting? couldn't they be prompting?
Perfect	V-ing perfect
couldn't I have prompted? couldn't you have prompted? couldn't he have prompted? couldn't we have prompted? couldn't you have prompted? couldn't they have prompted?	couldn't I have been prompting? couldn't you have been prompting? couldn't he have been prompting? couldn't we have been prompting? couldn't you have been prompting? couldn't they have been prompting?