English verb conjugation CAN SNIFF

Regular verb: sniff - sniffed - sniffed

Affirmation

Simple form

I can sniff
you can sniff
he can sniff
we can sniff
you can sniff
they can sniff

V-ing form

I can be sniffing
you can be sniffing
he can be sniffing
we can be sniffing
you can be sniffing
they can be sniffing

Perfect

I can have sniffed
you can have sniffed
he can have sniffed
we can have sniffed
you can have sniffed
they can have sniffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I sniff?
can you sniff?
can he sniff?
can we sniff?
can you sniff?
can they sniff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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