English verb conjugation
CAN SUNDOWN

Regular verb: sundown - sundowned - sundowned

Affirmation

Simple form	V-ing form
I can sundown you can sundown he can sundown we can sundown you can sundown they can sundown	I can be sundowning you can be sundowning he can be sundowning we can be sundowning you can be sundowning they can be sundowning
Perfect	V-ing perfect
I can have sundowned you can have sundowned he can have sundowned we can have sundowned you can have sundowned they can have sundowned	I can have been sundowning you can have been sundowning he can have been sundowning we can have been sundowning you can have been sundowning they can have been sundowning

Negation

Simple form	V-ing form
I can't sundown you can't sundown he can't sundown we can't sundown you can't sundown they can't sundown	I can't be sundowning you can't be sundowning he can't be sundowning we can't be sundowning you can't be sundowning they can't be sundowning
Perfect	V-ing perfect
I can't have sundowned you can't have sundowned he can't have sundowned we can't have sundowned you can't have sundowned they can't have sundowned	I can't have been sundowning you can't have been sundowning he can't have been sundowning we can't have been sundowning you can't have been sundowning they can't have been sundowning

Interrogative form

Simple form	V-ing form
can I sundown? can you sundown? can he sundown? can we sundown? can you sundown? can they sundown?	can I be sundowning? can you be sundowning? can he be sundowning? can we be sundowning? can you be sundowning? can they be sundowning?
Perfect	V-ing perfect
can I have sundowned? can you have sundowned? can he have sundowned? can we have sundowned? can you have sundowned? can they have sundowned?	can I have been sundowning? can you have been sundowning? can he have been sundowning? can we have been sundowning? can you have been sundowning? can they have been sundowning?

Interro-negative form

Simple form	V-ing form
can't I sundown? can't you sundown? can't he sundown? can't we sundown? can't you sundown? can't they sundown?	can't I be sundowning? can't you be sundowning? can't he be sundowning? can't we be sundowning? can't you be sundowning? can't they be sundowning?
Perfect	V-ing perfect
can't I have sundowned? can't you have sundowned? can't he have sundowned? can't we have sundowned? can't you have sundowned? can't they have sundowned?	can't I have been sundowning? can't you have been sundowning? can't he have been sundowning? can't we have been sundowning? can't you have been sundowning? can't they have been sundowning?