English verb conjugation CAN CURB

Regular verb: curb - curbed - curbed

Affirmation

Simple form

I can curb
you can curb
he can curb
we can curb
you can curb
they can curb

V-ing form

I can be curbing
you can be curbing
he can be curbing
we can be curbing
you can be curbing
they can be curbing

Perfect

I can have curbed
you can have curbed
he can have curbed
we can have curbed
you can have curbed
they can have curbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I curb?
can you curb?
can he curb?
can we curb?
can you curb?
can they curb?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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