English verb conjugation
CAN SUNDOWN

Regular verb: sundown - sundowned - sundowned

Affirmation

Simple form	V-ing form
I can sundown you can sundown she can sundown we can sundown you can sundown they can sundown	I can be sundowning you can be sundowning she 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 she 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 she 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 she 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 she 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 she 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 she 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 she sundown? can we sundown? can you sundown? can they sundown?	can I be sundowning? can you be sundowning? can she 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 she 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 she 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 she 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 she 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 she 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 she have been sundowning? can't we have been sundowning? can't you have been sundowning? can't they have been sundowning?