English verb conjugation
CAN HEADQUARTER

Regular verb: headquarter - headquartered - headquartered

Affirmation

Simple form	V-ing form
I can headquarter you can headquarter he can headquarter we can headquarter you can headquarter they can headquarter	I can be headquartering you can be headquartering he can be headquartering we can be headquartering you can be headquartering they can be headquartering
Perfect	V-ing perfect
I can have headquartered you can have headquartered he can have headquartered we can have headquartered you can have headquartered they can have headquartered	I can have been headquartering you can have been headquartering he can have been headquartering we can have been headquartering you can have been headquartering they can have been headquartering

Negation

Simple form	V-ing form
I cannot headquarter you cannot headquarter he cannot headquarter we cannot headquarter you cannot headquarter they cannot headquarter	I cannot be headquartering you cannot be headquartering he cannot be headquartering we cannot be headquartering you cannot be headquartering they cannot be headquartering
Perfect	V-ing perfect
I cannot have headquartered you cannot have headquartered he cannot have headquartered we cannot have headquartered you cannot have headquartered they cannot have headquartered	I cannot have been headquartering you cannot have been headquartering he cannot have been headquartering we cannot have been headquartering you cannot have been headquartering they cannot have been headquartering

Interrogative form

Simple form	V-ing form
can I headquarter? can you headquarter? can he headquarter? can we headquarter? can you headquarter? can they headquarter?	can I be headquartering? can you be headquartering? can he be headquartering? can we be headquartering? can you be headquartering? can they be headquartering?
Perfect	V-ing perfect
can I have headquartered? can you have headquartered? can he have headquartered? can we have headquartered? can you have headquartered? can they have headquartered?	can I have been headquartering? can you have been headquartering? can he have been headquartering? can we have been headquartering? can you have been headquartering? can they have been headquartering?

Interro-negative form

Simple form	V-ing form
can I not headquarter? can you not headquarter? can he not headquarter? can we not headquarter? can you not headquarter? can they not headquarter?	can I not be headquartering? can you not be headquartering? can he not be headquartering? can we not be headquartering? can you not be headquartering? can they not be headquartering?
Perfect	V-ing perfect
can I not have headquartered? can you not have headquartered? can he not have headquartered? can we not have headquartered? can you not have headquartered? can they not have headquartered?	can I not have been headquartering? can you not have been headquartering? can he not have been headquartering? can we not have been headquartering? can you not have been headquartering? can they not have been headquartering?