English verb conjugation CAN MASK

Regular verb: mask - masked - masked

Affirmation

Simple form

I can mask
you can mask
he can mask
we can mask
you can mask
they can mask

V-ing form

I can be masking
you can be masking
he can be masking
we can be masking
you can be masking
they can be masking

Perfect

I can have masked
you can have masked
he can have masked
we can have masked
you can have masked
they can have masked

V-ing perfect

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

Negation

Simple form

I can't mask
you can't mask
he can't mask
we can't mask
you can't mask
they can't mask

V-ing form

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

Perfect

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

V-ing perfect

I can't have been masking
you can't have been masking
he can't have been masking
we can't have been masking
you can't have been masking
they can't have been masking

Interrogative form

Simple form

can I mask?
can you mask?
can he mask?
can we mask?
can you mask?
can they mask?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I mask?
can't you mask?
can't he mask?
can't we mask?
can't you mask?
can't they mask?

V-ing form

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

Perfect

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

V-ing perfect

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

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