English verb conjugation COULD MASH

Regular verb: mash - mashed - mashed

Affirmation

Simple form

I could mash
you could mash
he could mash
we could mash
you could mash
they could mash

V-ing form

I could be mashing
you could be mashing
he could be mashing
we could be mashing
you could be mashing
they could be mashing

Perfect

I could have mashed
you could have mashed
he could have mashed
we could have mashed
you could have mashed
they could have mashed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I mash?
could you mash?
could he mash?
could we mash?
could you mash?
could they mash?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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