English verb conjugation
CAN SWILL

Regular verb: swill - swilled - swilled

Affirmation

Simple form	V-ing form
I can swill you can swill he can swill we can swill you can swill they can swill	I can be swilling you can be swilling he can be swilling we can be swilling you can be swilling they can be swilling
Perfect	V-ing perfect
I can have swilled you can have swilled he can have swilled we can have swilled you can have swilled they can have swilled	I can have been swilling you can have been swilling he can have been swilling we can have been swilling you can have been swilling they can have been swilling

Negation

Simple form	V-ing form
I can't swill you can't swill he can't swill we can't swill you can't swill they can't swill	I can't be swilling you can't be swilling he can't be swilling we can't be swilling you can't be swilling they can't be swilling
Perfect	V-ing perfect
I can't have swilled you can't have swilled he can't have swilled we can't have swilled you can't have swilled they can't have swilled	I can't have been swilling you can't have been swilling he can't have been swilling we can't have been swilling you can't have been swilling they can't have been swilling

Interrogative form

Simple form	V-ing form
can I swill? can you swill? can he swill? can we swill? can you swill? can they swill?	can I be swilling? can you be swilling? can he be swilling? can we be swilling? can you be swilling? can they be swilling?
Perfect	V-ing perfect
can I have swilled? can you have swilled? can he have swilled? can we have swilled? can you have swilled? can they have swilled?	can I have been swilling? can you have been swilling? can he have been swilling? can we have been swilling? can you have been swilling? can they have been swilling?

Interro-negative form

Simple form	V-ing form
can't I swill? can't you swill? can't he swill? can't we swill? can't you swill? can't they swill?	can't I be swilling? can't you be swilling? can't he be swilling? can't we be swilling? can't you be swilling? can't they be swilling?
Perfect	V-ing perfect
can't I have swilled? can't you have swilled? can't he have swilled? can't we have swilled? can't you have swilled? can't they have swilled?	can't I have been swilling? can't you have been swilling? can't he have been swilling? can't we have been swilling? can't you have been swilling? can't they have been swilling?