English verb conjugation CAN TOUGH

Regular verb: tough - toughed - toughed

Affirmation

Simple form

I can tough
you can tough
she can tough
we can tough
you can tough
they can tough

V-ing form

I can be toughing
you can be toughing
she can be toughing
we can be toughing
you can be toughing
they can be toughing

Perfect

I can have toughed
you can have toughed
she 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
she can have been toughing
we can have been toughing
you can have been toughing
they can have been toughing

Negation

Simple form

I cannot tough
you cannot tough
she cannot tough
we cannot tough
you cannot tough
they cannot tough

V-ing form

I cannot be toughing
you cannot be toughing
she cannot be toughing
we cannot be toughing
you cannot be toughing
they cannot be toughing

Perfect

I cannot have toughed
you cannot have toughed
she cannot have toughed
we cannot have toughed
you cannot have toughed
they cannot have toughed

V-ing perfect

I cannot have been toughing
you cannot have been toughing
she cannot have been toughing
we cannot have been toughing
you cannot have been toughing
they cannot have been toughing

Interrogative form

Simple form

can I tough?
can you tough?
can she tough?
can we tough?
can you tough?
can they tough?

V-ing form

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

Perfect

can I have toughed?
can you have toughed?
can she 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 she have been toughing?
can we have been toughing?
can you have been toughing?
can they have been toughing?

Interro-negative form

Simple form

can I not tough?
can you not tough?
can she not tough?
can we not tough?
can you not tough?
can they not tough?

V-ing form

can I not be toughing?
can you not be toughing?
can she not be toughing?
can we not be toughing?
can you not be toughing?
can they not be toughing?

Perfect

can I not have toughed?
can you not have toughed?
can she not have toughed?
can we not have toughed?
can you not have toughed?
can they not have toughed?

V-ing perfect

can I not have been toughing?
can you not have been toughing?
can she not have been toughing?
can we not have been toughing?
can you not have been toughing?
can they not have been toughing?

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