English verb conjugation CAN INDEX

Regular verb: index - indexed - indexed


Affirmation

Simple form

I can index
you can index
he can index
we can index
you can index
they can index

V-ing form

I can be indexing
you can be indexing
he can be indexing
we can be indexing
you can be indexing
they can be indexing

Perfect

I can have indexed
you can have indexed
he can have indexed
we can have indexed
you can have indexed
they can have indexed

V-ing perfect

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

Negation

Simple form

I cannot index
you cannot index
he cannot index
we cannot index
you cannot index
they cannot index

V-ing form

I cannot be indexing
you cannot be indexing
he cannot be indexing
we cannot be indexing
you cannot be indexing
they cannot be indexing

Perfect

I cannot have indexed
you cannot have indexed
he cannot have indexed
we cannot have indexed
you cannot have indexed
they cannot have indexed

V-ing perfect

I cannot have been indexing
you cannot have been indexing
he cannot have been indexing
we cannot have been indexing
you cannot have been indexing
they cannot have been indexing

Interrogative form

Simple form

can I index?
can you index?
can he index?
can we index?
can you index?
can they index?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not index?
can you not index?
can he not index?
can we not index?
can you not index?
can they not index?

V-ing form

can I not be indexing?
can you not be indexing?
can he not be indexing?
can we not be indexing?
can you not be indexing?
can they not be indexing?

Perfect

can I not have indexed?
can you not have indexed?
can he not have indexed?
can we not have indexed?
can you not have indexed?
can they not have indexed?

V-ing perfect

can I not have been indexing?
can you not have been indexing?
can he not have been indexing?
can we not have been indexing?
can you not have been indexing?
can they not have been indexing?