English verb conjugation
CAN RIP

Regular verb: rip - ripped - ripped

Affirmation

Simple form	V-ing form
I can rip you can rip he can rip we can rip you can rip they can rip	I can be ripping you can be ripping he can be ripping we can be ripping you can be ripping they can be ripping
Perfect	V-ing perfect
I can have ripped you can have ripped he can have ripped we can have ripped you can have ripped they can have ripped	I can have been ripping you can have been ripping he can have been ripping we can have been ripping you can have been ripping they can have been ripping

Negation

Simple form	V-ing form
I can't rip you can't rip he can't rip we can't rip you can't rip they can't rip	I can't be ripping you can't be ripping he can't be ripping we can't be ripping you can't be ripping they can't be ripping
Perfect	V-ing perfect
I can't have ripped you can't have ripped he can't have ripped we can't have ripped you can't have ripped they can't have ripped	I can't have been ripping you can't have been ripping he can't have been ripping we can't have been ripping you can't have been ripping they can't have been ripping

Interrogative form

Simple form	V-ing form
can I rip? can you rip? can he rip? can we rip? can you rip? can they rip?	can I be ripping? can you be ripping? can he be ripping? can we be ripping? can you be ripping? can they be ripping?
Perfect	V-ing perfect
can I have ripped? can you have ripped? can he have ripped? can we have ripped? can you have ripped? can they have ripped?	can I have been ripping? can you have been ripping? can he have been ripping? can we have been ripping? can you have been ripping? can they have been ripping?

Interro-negative form

Simple form	V-ing form
can't I rip? can't you rip? can't he rip? can't we rip? can't you rip? can't they rip?	can't I be ripping? can't you be ripping? can't he be ripping? can't we be ripping? can't you be ripping? can't they be ripping?
Perfect	V-ing perfect
can't I have ripped? can't you have ripped? can't he have ripped? can't we have ripped? can't you have ripped? can't they have ripped?	can't I have been ripping? can't you have been ripping? can't he have been ripping? can't we have been ripping? can't you have been ripping? can't they have been ripping?