I can excite you can excite she can excite we can excite you can excite they can excite
V-ing form
I can be exciting you can be exciting she can be exciting we can be exciting you can be exciting they can be exciting
Perfect
I can have excited you can have excited she can have excited we can have excited you can have excited they can have excited
V-ing perfect
I can have been exciting you can have been exciting she can have been exciting we can have been exciting you can have been exciting they can have been exciting
Negation
Simple form
I cannot excite you cannot excite she cannot excite we cannot excite you cannot excite they cannot excite
V-ing form
I cannot be exciting you cannot be exciting she cannot be exciting we cannot be exciting you cannot be exciting they cannot be exciting
Perfect
I cannot have excited you cannot have excited she cannot have excited we cannot have excited you cannot have excited they cannot have excited
V-ing perfect
I cannot have been exciting you cannot have been exciting she cannot have been exciting we cannot have been exciting you cannot have been exciting they cannot have been exciting
Interrogative form
Simple form
can I excite? can you excite? can she excite? can we excite? can you excite? can they excite?
V-ing form
can I be exciting? can you be exciting? can she be exciting? can we be exciting? can you be exciting? can they be exciting?
Perfect
can I have excited? can you have excited? can she have excited? can we have excited? can you have excited? can they have excited?
V-ing perfect
can I have been exciting? can you have been exciting? can she have been exciting? can we have been exciting? can you have been exciting? can they have been exciting?
Interro-negative form
Simple form
can I not excite? can you not excite? can she not excite? can we not excite? can you not excite? can they not excite?
V-ing form
can I not be exciting? can you not be exciting? can she not be exciting? can we not be exciting? can you not be exciting? can they not be exciting?
Perfect
can I not have excited? can you not have excited? can she not have excited? can we not have excited? can you not have excited? can they not have excited?
V-ing perfect
can I not have been exciting? can you not have been exciting? can she not have been exciting? can we not have been exciting? can you not have been exciting? can they not have been exciting?