English verb conjugation CAN SIGH

Regular verb: sigh - sighed - sighed

Affirmation

Simple form

I can sigh
you can sigh
he can sigh
we can sigh
you can sigh
they can sigh

V-ing form

I can be sighing
you can be sighing
he can be sighing
we can be sighing
you can be sighing
they can be sighing

Perfect

I can have sighed
you can have sighed
he can have sighed
we can have sighed
you can have sighed
they can have sighed

V-ing perfect

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

Negation

Simple form

I cannot sigh
you cannot sigh
he cannot sigh
we cannot sigh
you cannot sigh
they cannot sigh

V-ing form

I cannot be sighing
you cannot be sighing
he cannot be sighing
we cannot be sighing
you cannot be sighing
they cannot be sighing

Perfect

I cannot have sighed
you cannot have sighed
he cannot have sighed
we cannot have sighed
you cannot have sighed
they cannot have sighed

V-ing perfect

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

Interrogative form

Simple form

can I sigh?
can you sigh?
can he sigh?
can we sigh?
can you sigh?
can they sigh?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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