female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD GRIND
Irregular verb: grind - ground - ground
Affirmation
Simple form
I could grindyou could grind
he could grind
we could grind
you could grind
they could grind
V-ing form
I could be grindingyou could be grinding
he could be grinding
we could be grinding
you could be grinding
they could be grinding
Perfect
I could have groundyou could have ground
he could have ground
we could have ground
you could have ground
they could have ground
V-ing perfect
I could have been grindingyou could have been grinding
he could have been grinding
we could have been grinding
you could have been grinding
they could have been grinding
Negation
Simple form
I couldn't grindyou couldn't grind
he couldn't grind
we couldn't grind
you couldn't grind
they couldn't grind
V-ing form
I couldn't be grindingyou couldn't be grinding
he couldn't be grinding
we couldn't be grinding
you couldn't be grinding
they couldn't be grinding
Perfect
I couldn't have groundyou couldn't have ground
he couldn't have ground
we couldn't have ground
you couldn't have ground
they couldn't have ground
V-ing perfect
I couldn't have been grindingyou couldn't have been grinding
he couldn't have been grinding
we couldn't have been grinding
you couldn't have been grinding
they couldn't have been grinding
Interrogative form
Simple form
could I grind?could you grind?
could he grind?
could we grind?
could you grind?
could they grind?
V-ing form
could I be grinding?could you be grinding?
could he be grinding?
could we be grinding?
could you be grinding?
could they be grinding?
Perfect
could I have ground?could you have ground?
could he have ground?
could we have ground?
could you have ground?
could they have ground?
V-ing perfect
could I have been grinding?could you have been grinding?
could he have been grinding?
could we have been grinding?
could you have been grinding?
could they have been grinding?
Interro-negative form
Simple form
couldn't I grind?couldn't you grind?
couldn't he grind?
couldn't we grind?
couldn't you grind?
couldn't they grind?
V-ing form
couldn't I be grinding?couldn't you be grinding?
couldn't he be grinding?
couldn't we be grinding?
couldn't you be grinding?
couldn't they be grinding?
Perfect
couldn't I have ground?couldn't you have ground?
couldn't he have ground?
couldn't we have ground?
couldn't you have ground?
couldn't they have ground?
V-ing perfect
couldn't I have been grinding?couldn't you have been grinding?
couldn't he have been grinding?
couldn't we have been grinding?
couldn't you have been grinding?
couldn't they have been grinding?