English verb conjugation COULD YES

Regular verb: yes - yesed - yesed

Affirmation

Simple form

I could yes
you could yes
he could yes
we could yes
you could yes
they could yes

V-ing form

I could be yesing
you could be yesing
he could be yesing
we could be yesing
you could be yesing
they could be yesing

Perfect

I could have yesed
you could have yesed
he could have yesed
we could have yesed
you could have yesed
they could have yesed

V-ing perfect

I could have been yesing
you could have been yesing
he could have been yesing
we could have been yesing
you could have been yesing
they could have been yesing

Negation

Simple form

I couldn't yes
you couldn't yes
he couldn't yes
we couldn't yes
you couldn't yes
they couldn't yes

V-ing form

I couldn't be yesing
you couldn't be yesing
he couldn't be yesing
we couldn't be yesing
you couldn't be yesing
they couldn't be yesing

Perfect

I couldn't have yesed
you couldn't have yesed
he couldn't have yesed
we couldn't have yesed
you couldn't have yesed
they couldn't have yesed

V-ing perfect

I couldn't have been yesing
you couldn't have been yesing
he couldn't have been yesing
we couldn't have been yesing
you couldn't have been yesing
they couldn't have been yesing

Interrogative form

Simple form

could I yes?
could you yes?
could he yes?
could we yes?
could you yes?
could they yes?

V-ing form

could I be yesing?
could you be yesing?
could he be yesing?
could we be yesing?
could you be yesing?
could they be yesing?

Perfect

could I have yesed?
could you have yesed?
could he have yesed?
could we have yesed?
could you have yesed?
could they have yesed?

V-ing perfect

could I have been yesing?
could you have been yesing?
could he have been yesing?
could we have been yesing?
could you have been yesing?
could they have been yesing?

Interro-negative form

Simple form

couldn't I yes?
couldn't you yes?
couldn't he yes?
couldn't we yes?
couldn't you yes?
couldn't they yes?

V-ing form

couldn't I be yesing?
couldn't you be yesing?
couldn't he be yesing?
couldn't we be yesing?
couldn't you be yesing?
couldn't they be yesing?

Perfect

couldn't I have yesed?
couldn't you have yesed?
couldn't he have yesed?
couldn't we have yesed?
couldn't you have yesed?
couldn't they have yesed?

V-ing perfect

couldn't I have been yesing?
couldn't you have been yesing?
couldn't he have been yesing?
couldn't we have been yesing?
couldn't you have been yesing?
couldn't they have been yesing?

Page top