English verb conjugation
CAN ALTERNATE

Regular verb: alternate - alternated - alternated

Affirmation

Simple form	V-ing form
I can alternate you can alternate he can alternate we can alternate you can alternate they can alternate	I can be alternating you can be alternating he can be alternating we can be alternating you can be alternating they can be alternating
Perfect	V-ing perfect
I can have alternated you can have alternated he can have alternated we can have alternated you can have alternated they can have alternated	I can have been alternating you can have been alternating he can have been alternating we can have been alternating you can have been alternating they can have been alternating

Negation

Simple form	V-ing form
I can't alternate you can't alternate he can't alternate we can't alternate you can't alternate they can't alternate	I can't be alternating you can't be alternating he can't be alternating we can't be alternating you can't be alternating they can't be alternating
Perfect	V-ing perfect
I can't have alternated you can't have alternated he can't have alternated we can't have alternated you can't have alternated they can't have alternated	I can't have been alternating you can't have been alternating he can't have been alternating we can't have been alternating you can't have been alternating they can't have been alternating

Interrogative form

Simple form	V-ing form
can I alternate? can you alternate? can he alternate? can we alternate? can you alternate? can they alternate?	can I be alternating? can you be alternating? can he be alternating? can we be alternating? can you be alternating? can they be alternating?
Perfect	V-ing perfect
can I have alternated? can you have alternated? can he have alternated? can we have alternated? can you have alternated? can they have alternated?	can I have been alternating? can you have been alternating? can he have been alternating? can we have been alternating? can you have been alternating? can they have been alternating?

Interro-negative form

Simple form	V-ing form
can't I alternate? can't you alternate? can't he alternate? can't we alternate? can't you alternate? can't they alternate?	can't I be alternating? can't you be alternating? can't he be alternating? can't we be alternating? can't you be alternating? can't they be alternating?
Perfect	V-ing perfect
can't I have alternated? can't you have alternated? can't he have alternated? can't we have alternated? can't you have alternated? can't they have alternated?	can't I have been alternating? can't you have been alternating? can't he have been alternating? can't we have been alternating? can't you have been alternating? can't they have been alternating?