I can officiate you can officiate she can officiate we can officiate you can officiate they can officiate
V-ing form
I can be officiating you can be officiating she can be officiating we can be officiating you can be officiating they can be officiating
Perfect
I can have officiated you can have officiated she can have officiated we can have officiated you can have officiated they can have officiated
V-ing perfect
I can have been officiating you can have been officiating she can have been officiating we can have been officiating you can have been officiating they can have been officiating
Negation
Simple form
I cannot officiate you cannot officiate she cannot officiate we cannot officiate you cannot officiate they cannot officiate
V-ing form
I cannot be officiating you cannot be officiating she cannot be officiating we cannot be officiating you cannot be officiating they cannot be officiating
Perfect
I cannot have officiated you cannot have officiated she cannot have officiated we cannot have officiated you cannot have officiated they cannot have officiated
V-ing perfect
I cannot have been officiating you cannot have been officiating she cannot have been officiating we cannot have been officiating you cannot have been officiating they cannot have been officiating
Interrogative form
Simple form
can I officiate? can you officiate? can she officiate? can we officiate? can you officiate? can they officiate?
V-ing form
can I be officiating? can you be officiating? can she be officiating? can we be officiating? can you be officiating? can they be officiating?
Perfect
can I have officiated? can you have officiated? can she have officiated? can we have officiated? can you have officiated? can they have officiated?
V-ing perfect
can I have been officiating? can you have been officiating? can she have been officiating? can we have been officiating? can you have been officiating? can they have been officiating?
Interro-negative form
Simple form
can I not officiate? can you not officiate? can she not officiate? can we not officiate? can you not officiate? can they not officiate?
V-ing form
can I not be officiating? can you not be officiating? can she not be officiating? can we not be officiating? can you not be officiating? can they not be officiating?
Perfect
can I not have officiated? can you not have officiated? can she not have officiated? can we not have officiated? can you not have officiated? can they not have officiated?
V-ing perfect
can I not have been officiating? can you not have been officiating? can she not have been officiating? can we not have been officiating? can you not have been officiating? can they not have been officiating?