male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation CAN UNDERTAIN
Regular verb: undertain - undertained - undertained
Affirmation
Simple form
I can undertainyou can undertain
she can undertain
we can undertain
you can undertain
they can undertain
V-ing form
I can be undertainingyou can be undertaining
she can be undertaining
we can be undertaining
you can be undertaining
they can be undertaining
Perfect
I can have undertainedyou can have undertained
she can have undertained
we can have undertained
you can have undertained
they can have undertained
V-ing perfect
I can have been undertainingyou can have been undertaining
she can have been undertaining
we can have been undertaining
you can have been undertaining
they can have been undertaining
Negation
Simple form
I can't undertainyou can't undertain
she can't undertain
we can't undertain
you can't undertain
they can't undertain
V-ing form
I can't be undertainingyou can't be undertaining
she can't be undertaining
we can't be undertaining
you can't be undertaining
they can't be undertaining
Perfect
I can't have undertainedyou can't have undertained
she can't have undertained
we can't have undertained
you can't have undertained
they can't have undertained
V-ing perfect
I can't have been undertainingyou can't have been undertaining
she can't have been undertaining
we can't have been undertaining
you can't have been undertaining
they can't have been undertaining
Interrogative form
Simple form
can I undertain?can you undertain?
can she undertain?
can we undertain?
can you undertain?
can they undertain?
V-ing form
can I be undertaining?can you be undertaining?
can she be undertaining?
can we be undertaining?
can you be undertaining?
can they be undertaining?
Perfect
can I have undertained?can you have undertained?
can she have undertained?
can we have undertained?
can you have undertained?
can they have undertained?
V-ing perfect
can I have been undertaining?can you have been undertaining?
can she have been undertaining?
can we have been undertaining?
can you have been undertaining?
can they have been undertaining?
Interro-negative form
Simple form
can't I undertain?can't you undertain?
can't she undertain?
can't we undertain?
can't you undertain?
can't they undertain?
V-ing form
can't I be undertaining?can't you be undertaining?
can't she be undertaining?
can't we be undertaining?
can't you be undertaining?
can't they be undertaining?
Perfect
can't I have undertained?can't you have undertained?
can't she have undertained?
can't we have undertained?
can't you have undertained?
can't they have undertained?
V-ing perfect
can't I have been undertaining?can't you have been undertaining?
can't she have been undertaining?
can't we have been undertaining?
can't you have been undertaining?
can't they have been undertaining?