English verb conjugation CAN PREINVESTIGATE

Regular verb: preinvestigate - preinvestigated - preinvestigated

Affirmation

Simple form

I can preinvestigate
you can preinvestigate
he can preinvestigate
we can preinvestigate
you can preinvestigate
they can preinvestigate

V-ing form

I can be preinvestigating
you can be preinvestigating
he can be preinvestigating
we can be preinvestigating
you can be preinvestigating
they can be preinvestigating

Perfect

I can have preinvestigated
you can have preinvestigated
he can have preinvestigated
we can have preinvestigated
you can have preinvestigated
they can have preinvestigated

V-ing perfect

I can have been preinvestigating
you can have been preinvestigating
he can have been preinvestigating
we can have been preinvestigating
you can have been preinvestigating
they can have been preinvestigating

Negation

Simple form

I can't preinvestigate
you can't preinvestigate
he can't preinvestigate
we can't preinvestigate
you can't preinvestigate
they can't preinvestigate

V-ing form

I can't be preinvestigating
you can't be preinvestigating
he can't be preinvestigating
we can't be preinvestigating
you can't be preinvestigating
they can't be preinvestigating

Perfect

I can't have preinvestigated
you can't have preinvestigated
he can't have preinvestigated
we can't have preinvestigated
you can't have preinvestigated
they can't have preinvestigated

V-ing perfect

I can't have been preinvestigating
you can't have been preinvestigating
he can't have been preinvestigating
we can't have been preinvestigating
you can't have been preinvestigating
they can't have been preinvestigating

Interrogative form

Simple form

can I preinvestigate?
can you preinvestigate?
can he preinvestigate?
can we preinvestigate?
can you preinvestigate?
can they preinvestigate?

V-ing form

can I be preinvestigating?
can you be preinvestigating?
can he be preinvestigating?
can we be preinvestigating?
can you be preinvestigating?
can they be preinvestigating?

Perfect

can I have preinvestigated?
can you have preinvestigated?
can he have preinvestigated?
can we have preinvestigated?
can you have preinvestigated?
can they have preinvestigated?

V-ing perfect

can I have been preinvestigating?
can you have been preinvestigating?
can he have been preinvestigating?
can we have been preinvestigating?
can you have been preinvestigating?
can they have been preinvestigating?

Interro-negative form

Simple form

can't I preinvestigate?
can't you preinvestigate?
can't he preinvestigate?
can't we preinvestigate?
can't you preinvestigate?
can't they preinvestigate?

V-ing form

can't I be preinvestigating?
can't you be preinvestigating?
can't he be preinvestigating?
can't we be preinvestigating?
can't you be preinvestigating?
can't they be preinvestigating?

Perfect

can't I have preinvestigated?
can't you have preinvestigated?
can't he have preinvestigated?
can't we have preinvestigated?
can't you have preinvestigated?
can't they have preinvestigated?

V-ing perfect

can't I have been preinvestigating?
can't you have been preinvestigating?
can't he have been preinvestigating?
can't we have been preinvestigating?
can't you have been preinvestigating?
can't they have been preinvestigating?

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