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 can't toughyou can't tough
she can't tough
we can't tough
you can't tough
they can't tough
V-ing form
I can't be toughingyou can't be toughing
she can't be toughing
we can't be toughing
you can't be toughing
they can't be toughing
Perfect
I can't have toughedyou can't have toughed
she 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 toughingyou can't have been toughing
she 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 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't I tough?can't you tough?
can't she 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 she 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 she 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 she have been toughing?
can't we have been toughing?
can't you have been toughing?
can't they have been toughing?