English verb conjugation
COULD EXCITE

Regular verb: excite - excited - excited

Affirmation

Simple form	V-ing form
I could excite you could excite she could excite we could excite you could excite they could excite	I could be exciting you could be exciting she could be exciting we could be exciting you could be exciting they could be exciting
Perfect	V-ing perfect
I could have excited you could have excited she could have excited we could have excited you could have excited they could have excited	I could have been exciting you could have been exciting she could have been exciting we could have been exciting you could have been exciting they could have been exciting

Negation

Simple form	V-ing form
I couldn't excite you couldn't excite she couldn't excite we couldn't excite you couldn't excite they couldn't excite	I couldn't be exciting you couldn't be exciting she couldn't be exciting we couldn't be exciting you couldn't be exciting they couldn't be exciting
Perfect	V-ing perfect
I couldn't have excited you couldn't have excited she couldn't have excited we couldn't have excited you couldn't have excited they couldn't have excited	I couldn't have been exciting you couldn't have been exciting she couldn't have been exciting we couldn't have been exciting you couldn't have been exciting they couldn't have been exciting

Interrogative form

Simple form	V-ing form
could I excite? could you excite? could she excite? could we excite? could you excite? could they excite?	could I be exciting? could you be exciting? could she be exciting? could we be exciting? could you be exciting? could they be exciting?
Perfect	V-ing perfect
could I have excited? could you have excited? could she have excited? could we have excited? could you have excited? could they have excited?	could I have been exciting? could you have been exciting? could she have been exciting? could we have been exciting? could you have been exciting? could they have been exciting?

Interro-negative form

Simple form	V-ing form
couldn't I excite? couldn't you excite? couldn't she excite? couldn't we excite? couldn't you excite? couldn't they excite?	couldn't I be exciting? couldn't you be exciting? couldn't she be exciting? couldn't we be exciting? couldn't you be exciting? couldn't they be exciting?
Perfect	V-ing perfect
couldn't I have excited? couldn't you have excited? couldn't she have excited? couldn't we have excited? couldn't you have excited? couldn't they have excited?	couldn't I have been exciting? couldn't you have been exciting? couldn't she have been exciting? couldn't we have been exciting? couldn't you have been exciting? couldn't they have been exciting?