male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation CAN TOUGH
Regular verb: tough - toughed - toughed
Affirmation
Simple form
I can toughyou can tough
she can tough
we can tough
you can tough
they can tough
V-ing form
I can be toughingyou can be toughing
she can be toughing
we can be toughing
you can be toughing
they can be toughing
Perfect
I can have toughedyou 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 toughingyou 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 toughyou cannot tough
she cannot tough
we cannot tough
you cannot tough
they cannot tough
V-ing form
I cannot be toughingyou cannot be toughing
she cannot be toughing
we cannot be toughing
you cannot be toughing
they cannot be toughing
Perfect
I cannot have toughedyou 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 toughingyou 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?