English verb conjugation
CAN ROAI

Regular verb: roai - roaied - roaied

Affirmation

Simple form	V-ing form
I can roai you can roai he can roai we can roai you can roai they can roai	I can be roaiing you can be roaiing he can be roaiing we can be roaiing you can be roaiing they can be roaiing
Perfect	V-ing perfect
I can have roaied you can have roaied he can have roaied we can have roaied you can have roaied they can have roaied	I can have been roaiing you can have been roaiing he can have been roaiing we can have been roaiing you can have been roaiing they can have been roaiing

Negation

Simple form	V-ing form
I can't roai you can't roai he can't roai we can't roai you can't roai they can't roai	I can't be roaiing you can't be roaiing he can't be roaiing we can't be roaiing you can't be roaiing they can't be roaiing
Perfect	V-ing perfect
I can't have roaied you can't have roaied he can't have roaied we can't have roaied you can't have roaied they can't have roaied	I can't have been roaiing you can't have been roaiing he can't have been roaiing we can't have been roaiing you can't have been roaiing they can't have been roaiing

Interrogative form

Simple form	V-ing form
can I roai? can you roai? can he roai? can we roai? can you roai? can they roai?	can I be roaiing? can you be roaiing? can he be roaiing? can we be roaiing? can you be roaiing? can they be roaiing?
Perfect	V-ing perfect
can I have roaied? can you have roaied? can he have roaied? can we have roaied? can you have roaied? can they have roaied?	can I have been roaiing? can you have been roaiing? can he have been roaiing? can we have been roaiing? can you have been roaiing? can they have been roaiing?

Interro-negative form

Simple form	V-ing form
can't I roai? can't you roai? can't he roai? can't we roai? can't you roai? can't they roai?	can't I be roaiing? can't you be roaiing? can't he be roaiing? can't we be roaiing? can't you be roaiing? can't they be roaiing?
Perfect	V-ing perfect
can't I have roaied? can't you have roaied? can't he have roaied? can't we have roaied? can't you have roaied? can't they have roaied?	can't I have been roaiing? can't you have been roaiing? can't he have been roaiing? can't we have been roaiing? can't you have been roaiing? can't they have been roaiing?