English verb conjugation CAN PIERCE

Regular verb: pierce - pierced - pierced

Affirmation

Simple form

I can pierce
you can pierce
she can pierce
we can pierce
you can pierce
they can pierce

V-ing form

I can be piercing
you can be piercing
she can be piercing
we can be piercing
you can be piercing
they can be piercing

Perfect

I can have pierced
you can have pierced
she can have pierced
we can have pierced
you can have pierced
they can have pierced

V-ing perfect

I can have been piercing
you can have been piercing
she can have been piercing
we can have been piercing
you can have been piercing
they can have been piercing

Negation

Simple form

I cannot pierce
you cannot pierce
she cannot pierce
we cannot pierce
you cannot pierce
they cannot pierce

V-ing form

I cannot be piercing
you cannot be piercing
she cannot be piercing
we cannot be piercing
you cannot be piercing
they cannot be piercing

Perfect

I cannot have pierced
you cannot have pierced
she cannot have pierced
we cannot have pierced
you cannot have pierced
they cannot have pierced

V-ing perfect

I cannot have been piercing
you cannot have been piercing
she cannot have been piercing
we cannot have been piercing
you cannot have been piercing
they cannot have been piercing

Interrogative form

Simple form

can I pierce?
can you pierce?
can she pierce?
can we pierce?
can you pierce?
can they pierce?

V-ing form

can I be piercing?
can you be piercing?
can she be piercing?
can we be piercing?
can you be piercing?
can they be piercing?

Perfect

can I have pierced?
can you have pierced?
can she have pierced?
can we have pierced?
can you have pierced?
can they have pierced?

V-ing perfect

can I have been piercing?
can you have been piercing?
can she have been piercing?
can we have been piercing?
can you have been piercing?
can they have been piercing?

Interro-negative form

Simple form

can I not pierce?
can you not pierce?
can she not pierce?
can we not pierce?
can you not pierce?
can they not pierce?

V-ing form

can I not be piercing?
can you not be piercing?
can she not be piercing?
can we not be piercing?
can you not be piercing?
can they not be piercing?

Perfect

can I not have pierced?
can you not have pierced?
can she not have pierced?
can we not have pierced?
can you not have pierced?
can they not have pierced?

V-ing perfect

can I not have been piercing?
can you not have been piercing?
can she not have been piercing?
can we not have been piercing?
can you not have been piercing?
can they not have been piercing?

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