English verb conjugation CAN TOUGH

Regular verb: tough - toughed - toughed

Affirmation

Simple form

I can tough
you can tough
he can tough
we can tough
you can tough
they can tough

V-ing form

I can be toughing
you can be toughing
he can be toughing
we can be toughing
you can be toughing
they can be toughing

Perfect

I can have toughed
you can have toughed
he can have toughed
we can have toughed
you can have toughed
they can have toughed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I tough?
can you tough?
can he tough?
can we tough?
can you tough?
can they tough?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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