English verb conjugation
CAN SHOWER

Regular verb: shower - showered - showered

Affirmation

Simple form	V-ing form
I can shower you can shower he can shower we can shower you can shower they can shower	I can be showering you can be showering he can be showering we can be showering you can be showering they can be showering
Perfect	V-ing perfect
I can have showered you can have showered he can have showered we can have showered you can have showered they can have showered	I can have been showering you can have been showering he can have been showering we can have been showering you can have been showering they can have been showering

Negation

Simple form	V-ing form
I can't shower you can't shower he can't shower we can't shower you can't shower they can't shower	I can't be showering you can't be showering he can't be showering we can't be showering you can't be showering they can't be showering
Perfect	V-ing perfect
I can't have showered you can't have showered he can't have showered we can't have showered you can't have showered they can't have showered	I can't have been showering you can't have been showering he can't have been showering we can't have been showering you can't have been showering they can't have been showering

Interrogative form

Simple form	V-ing form
can I shower? can you shower? can he shower? can we shower? can you shower? can they shower?	can I be showering? can you be showering? can he be showering? can we be showering? can you be showering? can they be showering?
Perfect	V-ing perfect
can I have showered? can you have showered? can he have showered? can we have showered? can you have showered? can they have showered?	can I have been showering? can you have been showering? can he have been showering? can we have been showering? can you have been showering? can they have been showering?

Interro-negative form

Simple form	V-ing form
can't I shower? can't you shower? can't he shower? can't we shower? can't you shower? can't they shower?	can't I be showering? can't you be showering? can't he be showering? can't we be showering? can't you be showering? can't they be showering?
Perfect	V-ing perfect
can't I have showered? can't you have showered? can't he have showered? can't we have showered? can't you have showered? can't they have showered?	can't I have been showering? can't you have been showering? can't he have been showering? can't we have been showering? can't you have been showering? can't they have been showering?