English verb conjugation COULD SULFONATE

Regular verb: sulfonate - sulfonated - sulfonated

Affirmation

Simple form

I could sulfonate
you could sulfonate
he could sulfonate
we could sulfonate
you could sulfonate
they could sulfonate

V-ing form

I could be sulfonating
you could be sulfonating
he could be sulfonating
we could be sulfonating
you could be sulfonating
they could be sulfonating

Perfect

I could have sulfonated
you could have sulfonated
he could have sulfonated
we could have sulfonated
you could have sulfonated
they could have sulfonated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sulfonate?
could you sulfonate?
could he sulfonate?
could we sulfonate?
could you sulfonate?
could they sulfonate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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