English verb conjugation
CAN CELEBRATE

Regular verb: celebrate - celebrated - celebrated

Affirmation

Simple form	V-ing form
I can celebrate you can celebrate he can celebrate we can celebrate you can celebrate they can celebrate	I can be celebrating you can be celebrating he can be celebrating we can be celebrating you can be celebrating they can be celebrating
Perfect	V-ing perfect
I can have celebrated you can have celebrated he can have celebrated we can have celebrated you can have celebrated they can have celebrated	I can have been celebrating you can have been celebrating he can have been celebrating we can have been celebrating you can have been celebrating they can have been celebrating

Negation

Simple form	V-ing form
I cannot celebrate you cannot celebrate he cannot celebrate we cannot celebrate you cannot celebrate they cannot celebrate	I cannot be celebrating you cannot be celebrating he cannot be celebrating we cannot be celebrating you cannot be celebrating they cannot be celebrating
Perfect	V-ing perfect
I cannot have celebrated you cannot have celebrated he cannot have celebrated we cannot have celebrated you cannot have celebrated they cannot have celebrated	I cannot have been celebrating you cannot have been celebrating he cannot have been celebrating we cannot have been celebrating you cannot have been celebrating they cannot have been celebrating

Interrogative form

Simple form	V-ing form
can I celebrate? can you celebrate? can he celebrate? can we celebrate? can you celebrate? can they celebrate?	can I be celebrating? can you be celebrating? can he be celebrating? can we be celebrating? can you be celebrating? can they be celebrating?
Perfect	V-ing perfect
can I have celebrated? can you have celebrated? can he have celebrated? can we have celebrated? can you have celebrated? can they have celebrated?	can I have been celebrating? can you have been celebrating? can he have been celebrating? can we have been celebrating? can you have been celebrating? can they have been celebrating?

Interro-negative form

Simple form	V-ing form
can I not celebrate? can you not celebrate? can he not celebrate? can we not celebrate? can you not celebrate? can they not celebrate?	can I not be celebrating? can you not be celebrating? can he not be celebrating? can we not be celebrating? can you not be celebrating? can they not be celebrating?
Perfect	V-ing perfect
can I not have celebrated? can you not have celebrated? can he not have celebrated? can we not have celebrated? can you not have celebrated? can they not have celebrated?	can I not have been celebrating? can you not have been celebrating? can he not have been celebrating? can we not have been celebrating? can you not have been celebrating? can they not have been celebrating?