English verb conjugation CAN UNDERACHIEVE

Regular verb: underachieve - underachieved - underachieved

Affirmation

Simple form

I can underachieve
you can underachieve
she can underachieve
we can underachieve
you can underachieve
they can underachieve

V-ing form

I can be underachieving
you can be underachieving
she can be underachieving
we can be underachieving
you can be underachieving
they can be underachieving

Perfect

I can have underachieved
you can have underachieved
she can have underachieved
we can have underachieved
you can have underachieved
they can have underachieved

V-ing perfect

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

Negation

Simple form

I can't underachieve
you can't underachieve
she can't underachieve
we can't underachieve
you can't underachieve
they can't underachieve

V-ing form

I can't be underachieving
you can't be underachieving
she can't be underachieving
we can't be underachieving
you can't be underachieving
they can't be underachieving

Perfect

I can't have underachieved
you can't have underachieved
she can't have underachieved
we can't have underachieved
you can't have underachieved
they can't have underachieved

V-ing perfect

I can't have been underachieving
you can't have been underachieving
she can't have been underachieving
we can't have been underachieving
you can't have been underachieving
they can't have been underachieving

Interrogative form

Simple form

can I underachieve?
can you underachieve?
can she underachieve?
can we underachieve?
can you underachieve?
can they underachieve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I underachieve?
can't you underachieve?
can't she underachieve?
can't we underachieve?
can't you underachieve?
can't they underachieve?

V-ing form

can't I be underachieving?
can't you be underachieving?
can't she be underachieving?
can't we be underachieving?
can't you be underachieving?
can't they be underachieving?

Perfect

can't I have underachieved?
can't you have underachieved?
can't she have underachieved?
can't we have underachieved?
can't you have underachieved?
can't they have underachieved?

V-ing perfect

can't I have been underachieving?
can't you have been underachieving?
can't she have been underachieving?
can't we have been underachieving?
can't you have been underachieving?
can't they have been underachieving?

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