English verb conjugation
CAN AFTER

Regular verb: after - aftered - aftered

Affirmation

Simple form	V-ing form
I can after you can after he can after we can after you can after they can after	I can be aftering you can be aftering he can be aftering we can be aftering you can be aftering they can be aftering
Perfect	V-ing perfect
I can have aftered you can have aftered he can have aftered we can have aftered you can have aftered they can have aftered	I can have been aftering you can have been aftering he can have been aftering we can have been aftering you can have been aftering they can have been aftering

Negation

Simple form	V-ing form
I can't after you can't after he can't after we can't after you can't after they can't after	I can't be aftering you can't be aftering he can't be aftering we can't be aftering you can't be aftering they can't be aftering
Perfect	V-ing perfect
I can't have aftered you can't have aftered he can't have aftered we can't have aftered you can't have aftered they can't have aftered	I can't have been aftering you can't have been aftering he can't have been aftering we can't have been aftering you can't have been aftering they can't have been aftering

Interrogative form

Simple form	V-ing form
can I after? can you after? can he after? can we after? can you after? can they after?	can I be aftering? can you be aftering? can he be aftering? can we be aftering? can you be aftering? can they be aftering?
Perfect	V-ing perfect
can I have aftered? can you have aftered? can he have aftered? can we have aftered? can you have aftered? can they have aftered?	can I have been aftering? can you have been aftering? can he have been aftering? can we have been aftering? can you have been aftering? can they have been aftering?

Interro-negative form

Simple form	V-ing form
can't I after? can't you after? can't he after? can't we after? can't you after? can't they after?	can't I be aftering? can't you be aftering? can't he be aftering? can't we be aftering? can't you be aftering? can't they be aftering?
Perfect	V-ing perfect
can't I have aftered? can't you have aftered? can't he have aftered? can't we have aftered? can't you have aftered? can't they have aftered?	can't I have been aftering? can't you have been aftering? can't he have been aftering? can't we have been aftering? can't you have been aftering? can't they have been aftering?