English verb conjugation COULD UNDERHEAT

Regular verb: underheat - underheated - underheated

Affirmation

Simple form

I could underheat
you could underheat
he could underheat
we could underheat
you could underheat
they could underheat

V-ing form

I could be underheating
you could be underheating
he could be underheating
we could be underheating
you could be underheating
they could be underheating

Perfect

I could have underheated
you could have underheated
he could have underheated
we could have underheated
you could have underheated
they could have underheated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I underheat?
could you underheat?
could he underheat?
could we underheat?
could you underheat?
could they underheat?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top