Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can celebrate celebrate you can celebrate celebrate he can celebrate celebrate we can celebrate celebrate you can celebrate celebrate they can celebrate celebrate
V-ing form
I can be celebrate celebrating you can be celebrate celebrating he can be celebrate celebrating we can be celebrate celebrating you can be celebrate celebrating they can be celebrate celebrating
Perfect
I can have celebrate celebrated you can have celebrate celebrated he can have celebrate celebrated we can have celebrate celebrated you can have celebrate celebrated they can have celebrate celebrated
V-ing perfect
I can have been celebrate celebrating you can have been celebrate celebrating he can have been celebrate celebrating we can have been celebrate celebrating you can have been celebrate celebrating they can have been celebrate celebrating
Negation
Simple form
I cannot celebrate celebrate you cannot celebrate celebrate he cannot celebrate celebrate we cannot celebrate celebrate you cannot celebrate celebrate they cannot celebrate celebrate
V-ing form
I cannot be celebrate celebrating you cannot be celebrate celebrating he cannot be celebrate celebrating we cannot be celebrate celebrating you cannot be celebrate celebrating they cannot be celebrate celebrating
Perfect
I cannot have celebrate celebrated you cannot have celebrate celebrated he cannot have celebrate celebrated we cannot have celebrate celebrated you cannot have celebrate celebrated they cannot have celebrate celebrated
V-ing perfect
I cannot have been celebrate celebrating you cannot have been celebrate celebrating he cannot have been celebrate celebrating we cannot have been celebrate celebrating you cannot have been celebrate celebrating they cannot have been celebrate celebrating
Interrogative form
Simple form
can I celebrate celebrate? can you celebrate celebrate? can he celebrate celebrate? can we celebrate celebrate? can you celebrate celebrate? can they celebrate celebrate?
V-ing form
can I be celebrate celebrating? can you be celebrate celebrating? can he be celebrate celebrating? can we be celebrate celebrating? can you be celebrate celebrating? can they be celebrate celebrating?
Perfect
can I have celebrate celebrated? can you have celebrate celebrated? can he have celebrate celebrated? can we have celebrate celebrated? can you have celebrate celebrated? can they have celebrate celebrated?
V-ing perfect
can I have been celebrate celebrating? can you have been celebrate celebrating? can he have been celebrate celebrating? can we have been celebrate celebrating? can you have been celebrate celebrating? can they have been celebrate celebrating?
Interro-negative form
Simple form
can I not celebrate celebrate? can you not celebrate celebrate? can he not celebrate celebrate? can we not celebrate celebrate? can you not celebrate celebrate? can they not celebrate celebrate?
V-ing form
can I not be celebrate celebrating? can you not be celebrate celebrating? can he not be celebrate celebrating? can we not be celebrate celebrating? can you not be celebrate celebrating? can they not be celebrate celebrating?
Perfect
can I not have celebrate celebrated? can you not have celebrate celebrated? can he not have celebrate celebrated? can we not have celebrate celebrated? can you not have celebrate celebrated? can they not have celebrate celebrated?
V-ing perfect
can I not have been celebrate celebrating? can you not have been celebrate celebrating? can he not have been celebrate celebrating? can we not have been celebrate celebrating? can you not have been celebrate celebrating? can they not have been celebrate celebrating?