English verb conjugation
COULD PAL

Regular verb: pal - palled - palled

Affirmation

Simple form	V-ing form
I could pal you could pal she could pal we could pal you could pal they could pal	I could be palling you could be palling she could be palling we could be palling you could be palling they could be palling
Perfect	V-ing perfect
I could have palled you could have palled she could have palled we could have palled you could have palled they could have palled	I could have been palling you could have been palling she could have been palling we could have been palling you could have been palling they could have been palling

Negation

Simple form	V-ing form
I couldn't pal you couldn't pal she couldn't pal we couldn't pal you couldn't pal they couldn't pal	I couldn't be palling you couldn't be palling she couldn't be palling we couldn't be palling you couldn't be palling they couldn't be palling
Perfect	V-ing perfect
I couldn't have palled you couldn't have palled she couldn't have palled we couldn't have palled you couldn't have palled they couldn't have palled	I couldn't have been palling you couldn't have been palling she couldn't have been palling we couldn't have been palling you couldn't have been palling they couldn't have been palling

Interrogative form

Simple form	V-ing form
could I pal? could you pal? could she pal? could we pal? could you pal? could they pal?	could I be palling? could you be palling? could she be palling? could we be palling? could you be palling? could they be palling?
Perfect	V-ing perfect
could I have palled? could you have palled? could she have palled? could we have palled? could you have palled? could they have palled?	could I have been palling? could you have been palling? could she have been palling? could we have been palling? could you have been palling? could they have been palling?

Interro-negative form

Simple form	V-ing form
couldn't I pal? couldn't you pal? couldn't she pal? couldn't we pal? couldn't you pal? couldn't they pal?	couldn't I be palling? couldn't you be palling? couldn't she be palling? couldn't we be palling? couldn't you be palling? couldn't they be palling?
Perfect	V-ing perfect
couldn't I have palled? couldn't you have palled? couldn't she have palled? couldn't we have palled? couldn't you have palled? couldn't they have palled?	couldn't I have been palling? couldn't you have been palling? couldn't she have been palling? couldn't we have been palling? couldn't you have been palling? couldn't they have been palling?