English verb conjugation COULD EXPURGATE

Regular verb: expurgate - expurgated - expurgated

Affirmation

Simple form

I could expurgate
you could expurgate
he could expurgate
we could expurgate
you could expurgate
they could expurgate

V-ing form

I could be expurgating
you could be expurgating
he could be expurgating
we could be expurgating
you could be expurgating
they could be expurgating

Perfect

I could have expurgated
you could have expurgated
he could have expurgated
we could have expurgated
you could have expurgated
they could have expurgated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I expurgate?
could you expurgate?
could he expurgate?
could we expurgate?
could you expurgate?
could they expurgate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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