English verb conjugation
COULD DATELINE

Regular verb: dateline - datelined - datelined

Affirmation

Simple form	V-ing form
I could dateline you could dateline she could dateline we could dateline you could dateline they could dateline	I could be datelining you could be datelining she could be datelining we could be datelining you could be datelining they could be datelining
Perfect	V-ing perfect
I could have datelined you could have datelined she could have datelined we could have datelined you could have datelined they could have datelined	I could have been datelining you could have been datelining she could have been datelining we could have been datelining you could have been datelining they could have been datelining

Negation

Simple form	V-ing form
I could not dateline you could not dateline she could not dateline we could not dateline you could not dateline they could not dateline	I could not be datelining you could not be datelining she could not be datelining we could not be datelining you could not be datelining they could not be datelining
Perfect	V-ing perfect
I could not have datelined you could not have datelined she could not have datelined we could not have datelined you could not have datelined they could not have datelined	I could not have been datelining you could not have been datelining she could not have been datelining we could not have been datelining you could not have been datelining they could not have been datelining

Interrogative form

Simple form	V-ing form
could I dateline? could you dateline? could she dateline? could we dateline? could you dateline? could they dateline?	could I be datelining? could you be datelining? could she be datelining? could we be datelining? could you be datelining? could they be datelining?
Perfect	V-ing perfect
could I have datelined? could you have datelined? could she have datelined? could we have datelined? could you have datelined? could they have datelined?	could I have been datelining? could you have been datelining? could she have been datelining? could we have been datelining? could you have been datelining? could they have been datelining?

Interro-negative form

Simple form	V-ing form
could I not dateline? could you not dateline? could she not dateline? could we not dateline? could you not dateline? could they not dateline?	could I not be datelining? could you not be datelining? could she not be datelining? could we not be datelining? could you not be datelining? could they not be datelining?
Perfect	V-ing perfect
could I not have datelined? could you not have datelined? could she not have datelined? could we not have datelined? could you not have datelined? could they not have datelined?	could I not have been datelining? could you not have been datelining? could she not have been datelining? could we not have been datelining? could you not have been datelining? could they not have been datelining?