English verb conjugation
COULD EXHAUST

Regular verb: exhaust - exhausted - exhausted

Affirmation

Simple form	V-ing form
I could exhaust you could exhaust she could exhaust we could exhaust you could exhaust they could exhaust	I could be exhausting you could be exhausting she could be exhausting we could be exhausting you could be exhausting they could be exhausting
Perfect	V-ing perfect
I could have exhausted you could have exhausted she could have exhausted we could have exhausted you could have exhausted they could have exhausted	I could have been exhausting you could have been exhausting she could have been exhausting we could have been exhausting you could have been exhausting they could have been exhausting

Negation

Simple form	V-ing form
I could not exhaust you could not exhaust she could not exhaust we could not exhaust you could not exhaust they could not exhaust	I could not be exhausting you could not be exhausting she could not be exhausting we could not be exhausting you could not be exhausting they could not be exhausting
Perfect	V-ing perfect
I could not have exhausted you could not have exhausted she could not have exhausted we could not have exhausted you could not have exhausted they could not have exhausted	I could not have been exhausting you could not have been exhausting she could not have been exhausting we could not have been exhausting you could not have been exhausting they could not have been exhausting

Interrogative form

Simple form	V-ing form
could I exhaust? could you exhaust? could she exhaust? could we exhaust? could you exhaust? could they exhaust?	could I be exhausting? could you be exhausting? could she be exhausting? could we be exhausting? could you be exhausting? could they be exhausting?
Perfect	V-ing perfect
could I have exhausted? could you have exhausted? could she have exhausted? could we have exhausted? could you have exhausted? could they have exhausted?	could I have been exhausting? could you have been exhausting? could she have been exhausting? could we have been exhausting? could you have been exhausting? could they have been exhausting?

Interro-negative form

Simple form	V-ing form
could I not exhaust? could you not exhaust? could she not exhaust? could we not exhaust? could you not exhaust? could they not exhaust?	could I not be exhausting? could you not be exhausting? could she not be exhausting? could we not be exhausting? could you not be exhausting? could they not be exhausting?
Perfect	V-ing perfect
could I not have exhausted? could you not have exhausted? could she not have exhausted? could we not have exhausted? could you not have exhausted? could they not have exhausted?	could I not have been exhausting? could you not have been exhausting? could she not have been exhausting? could we not have been exhausting? could you not have been exhausting? could they not have been exhausting?