English verb conjugation
CAN SWISH

Regular verb: swish - swished - swished

Affirmation

Simple form	V-ing form
I can swish you can swish he can swish we can swish you can swish they can swish	I can be swishing you can be swishing he can be swishing we can be swishing you can be swishing they can be swishing
Perfect	V-ing perfect
I can have swished you can have swished he can have swished we can have swished you can have swished they can have swished	I can have been swishing you can have been swishing he can have been swishing we can have been swishing you can have been swishing they can have been swishing

Negation

Simple form	V-ing form
I can't swish you can't swish he can't swish we can't swish you can't swish they can't swish	I can't be swishing you can't be swishing he can't be swishing we can't be swishing you can't be swishing they can't be swishing
Perfect	V-ing perfect
I can't have swished you can't have swished he can't have swished we can't have swished you can't have swished they can't have swished	I can't have been swishing you can't have been swishing he can't have been swishing we can't have been swishing you can't have been swishing they can't have been swishing

Interrogative form

Simple form	V-ing form
can I swish? can you swish? can he swish? can we swish? can you swish? can they swish?	can I be swishing? can you be swishing? can he be swishing? can we be swishing? can you be swishing? can they be swishing?
Perfect	V-ing perfect
can I have swished? can you have swished? can he have swished? can we have swished? can you have swished? can they have swished?	can I have been swishing? can you have been swishing? can he have been swishing? can we have been swishing? can you have been swishing? can they have been swishing?

Interro-negative form

Simple form	V-ing form
can't I swish? can't you swish? can't he swish? can't we swish? can't you swish? can't they swish?	can't I be swishing? can't you be swishing? can't he be swishing? can't we be swishing? can't you be swishing? can't they be swishing?
Perfect	V-ing perfect
can't I have swished? can't you have swished? can't he have swished? can't we have swished? can't you have swished? can't they have swished?	can't I have been swishing? can't you have been swishing? can't he have been swishing? can't we have been swishing? can't you have been swishing? can't they have been swishing?