English verb conjugation CAN UNDERACHIEVE

Regular verb: underachieve - underachieved - underachieved

Affirmation

Simple form

I can underachieve
you can underachieve
he can underachieve
we can underachieve
you can underachieve
they can underachieve

V-ing form

I can be underachieving
you can be underachieving
he can be underachieving
we can be underachieving
you can be underachieving
they can be underachieving

Perfect

I can have underachieved
you can have underachieved
he 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
he can have been underachieving
we can have been underachieving
you can have been underachieving
they can have been underachieving

Negation

Simple form

I cannot underachieve
you cannot underachieve
he cannot underachieve
we cannot underachieve
you cannot underachieve
they cannot underachieve

V-ing form

I cannot be underachieving
you cannot be underachieving
he cannot be underachieving
we cannot be underachieving
you cannot be underachieving
they cannot be underachieving

Perfect

I cannot have underachieved
you cannot have underachieved
he cannot have underachieved
we cannot have underachieved
you cannot have underachieved
they cannot have underachieved

V-ing perfect

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

Interrogative form

Simple form

can I underachieve?
can you underachieve?
can he underachieve?
can we underachieve?
can you underachieve?
can they underachieve?

V-ing form

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

Perfect

can I have underachieved?
can you have underachieved?
can he 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 he have been underachieving?
can we have been underachieving?
can you have been underachieving?
can they have been underachieving?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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