English verb conjugation
CAN OUTBOX

Regular verb: outbox - outboxed - outboxed

Affirmation

Simple form	V-ing form
I can outbox you can outbox he can outbox we can outbox you can outbox they can outbox	I can be outboxing you can be outboxing he can be outboxing we can be outboxing you can be outboxing they can be outboxing
Perfect	V-ing perfect
I can have outboxed you can have outboxed he can have outboxed we can have outboxed you can have outboxed they can have outboxed	I can have been outboxing you can have been outboxing he can have been outboxing we can have been outboxing you can have been outboxing they can have been outboxing

Negation

Simple form	V-ing form
I can't outbox you can't outbox he can't outbox we can't outbox you can't outbox they can't outbox	I can't be outboxing you can't be outboxing he can't be outboxing we can't be outboxing you can't be outboxing they can't be outboxing
Perfect	V-ing perfect
I can't have outboxed you can't have outboxed he can't have outboxed we can't have outboxed you can't have outboxed they can't have outboxed	I can't have been outboxing you can't have been outboxing he can't have been outboxing we can't have been outboxing you can't have been outboxing they can't have been outboxing

Interrogative form

Simple form	V-ing form
can I outbox? can you outbox? can he outbox? can we outbox? can you outbox? can they outbox?	can I be outboxing? can you be outboxing? can he be outboxing? can we be outboxing? can you be outboxing? can they be outboxing?
Perfect	V-ing perfect
can I have outboxed? can you have outboxed? can he have outboxed? can we have outboxed? can you have outboxed? can they have outboxed?	can I have been outboxing? can you have been outboxing? can he have been outboxing? can we have been outboxing? can you have been outboxing? can they have been outboxing?

Interro-negative form

Simple form	V-ing form
can't I outbox? can't you outbox? can't he outbox? can't we outbox? can't you outbox? can't they outbox?	can't I be outboxing? can't you be outboxing? can't he be outboxing? can't we be outboxing? can't you be outboxing? can't they be outboxing?
Perfect	V-ing perfect
can't I have outboxed? can't you have outboxed? can't he have outboxed? can't we have outboxed? can't you have outboxed? can't they have outboxed?	can't I have been outboxing? can't you have been outboxing? can't he have been outboxing? can't we have been outboxing? can't you have been outboxing? can't they have been outboxing?