I could irritate you could irritate he could irritate we could irritate you could irritate they could irritate
V-ing form
I could be irritating you could be irritating he could be irritating we could be irritating you could be irritating they could be irritating
Perfect
I could have irritated you could have irritated he could have irritated we could have irritated you could have irritated they could have irritated
V-ing perfect
I could have been irritating you could have been irritating he could have been irritating we could have been irritating you could have been irritating they could have been irritating
Negation
Simple form
I could not irritate you could not irritate he could not irritate we could not irritate you could not irritate they could not irritate
V-ing form
I could not be irritating you could not be irritating he could not be irritating we could not be irritating you could not be irritating they could not be irritating
Perfect
I could not have irritated you could not have irritated he could not have irritated we could not have irritated you could not have irritated they could not have irritated
V-ing perfect
I could not have been irritating you could not have been irritating he could not have been irritating we could not have been irritating you could not have been irritating they could not have been irritating
Interrogative form
Simple form
could I irritate? could you irritate? could he irritate? could we irritate? could you irritate? could they irritate?
V-ing form
could I be irritating? could you be irritating? could he be irritating? could we be irritating? could you be irritating? could they be irritating?
Perfect
could I have irritated? could you have irritated? could he have irritated? could we have irritated? could you have irritated? could they have irritated?
V-ing perfect
could I have been irritating? could you have been irritating? could he have been irritating? could we have been irritating? could you have been irritating? could they have been irritating?
Interro-negative form
Simple form
could I not irritate? could you not irritate? could he not irritate? could we not irritate? could you not irritate? could they not irritate?
V-ing form
could I not be irritating? could you not be irritating? could he not be irritating? could we not be irritating? could you not be irritating? could they not be irritating?
Perfect
could I not have irritated? could you not have irritated? could he not have irritated? could we not have irritated? could you not have irritated? could they not have irritated?
V-ing perfect
could I not have been irritating? could you not have been irritating? could he not have been irritating? could we not have been irritating? could you not have been irritating? could they not have been irritating?