English verb conjugation CAN SUBSTITUTE

Regular verb: substitute - substituted - substituted

Affirmation

Simple form

I can substitute
you can substitute
he can substitute
we can substitute
you can substitute
they can substitute

V-ing form

I can be substituting
you can be substituting
he can be substituting
we can be substituting
you can be substituting
they can be substituting

Perfect

I can have substituted
you can have substituted
he can have substituted
we can have substituted
you can have substituted
they can have substituted

V-ing perfect

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

Negation

Simple form

I cannot substitute
you cannot substitute
he cannot substitute
we cannot substitute
you cannot substitute
they cannot substitute

V-ing form

I cannot be substituting
you cannot be substituting
he cannot be substituting
we cannot be substituting
you cannot be substituting
they cannot be substituting

Perfect

I cannot have substituted
you cannot have substituted
he cannot have substituted
we cannot have substituted
you cannot have substituted
they cannot have substituted

V-ing perfect

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

Interrogative form

Simple form

can I substitute?
can you substitute?
can he substitute?
can we substitute?
can you substitute?
can they substitute?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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