English verb conjugation CAN HELVE

Regular verb: helve - helved - helved

Affirmation

Simple form

I can helve
you can helve
he can helve
we can helve
you can helve
they can helve

V-ing form

I can be helving
you can be helving
he can be helving
we can be helving
you can be helving
they can be helving

Perfect

I can have helved
you can have helved
he can have helved
we can have helved
you can have helved
they can have helved

V-ing perfect

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

Negation

Simple form

I cannot helve
you cannot helve
he cannot helve
we cannot helve
you cannot helve
they cannot helve

V-ing form

I cannot be helving
you cannot be helving
he cannot be helving
we cannot be helving
you cannot be helving
they cannot be helving

Perfect

I cannot have helved
you cannot have helved
he cannot have helved
we cannot have helved
you cannot have helved
they cannot have helved

V-ing perfect

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

Interrogative form

Simple form

can I helve?
can you helve?
can he helve?
can we helve?
can you helve?
can they helve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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