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 can't sigh
you can't sigh
he can't sigh
we can't sigh
you can't sigh
they can't sigh

V-ing form

I can't be sighing
you can't be sighing
he can't be sighing
we can't be sighing
you can't be sighing
they can't be sighing

Perfect

I can't have sighed
you can't have sighed
he can't have sighed
we can't have sighed
you can't have sighed
they can't have sighed

V-ing perfect

I can't have been sighing
you can't have been sighing
he can't have been sighing
we can't have been sighing
you can't have been sighing
they can't 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't I sigh?
can't you sigh?
can't he sigh?
can't we sigh?
can't you sigh?
can't they sigh?

V-ing form

can't I be sighing?
can't you be sighing?
can't he be sighing?
can't we be sighing?
can't you be sighing?
can't they be sighing?

Perfect

can't I have sighed?
can't you have sighed?
can't he have sighed?
can't we have sighed?
can't you have sighed?
can't they have sighed?

V-ing perfect

can't I have been sighing?
can't you have been sighing?
can't he have been sighing?
can't we have been sighing?
can't you have been sighing?
can't they have been sighing?

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