English verb conjugation
COULD DEMUR

Regular verb: demur - demurred - demurred

Affirmation

Simple form	V-ing form
I could demur you could demur he could demur we could demur you could demur they could demur	I could be demurring you could be demurring he could be demurring we could be demurring you could be demurring they could be demurring
Perfect	V-ing perfect
I could have demurred you could have demurred he could have demurred we could have demurred you could have demurred they could have demurred	I could have been demurring you could have been demurring he could have been demurring we could have been demurring you could have been demurring they could have been demurring

Negation

Simple form	V-ing form
I could not demur you could not demur he could not demur we could not demur you could not demur they could not demur	I could not be demurring you could not be demurring he could not be demurring we could not be demurring you could not be demurring they could not be demurring
Perfect	V-ing perfect
I could not have demurred you could not have demurred he could not have demurred we could not have demurred you could not have demurred they could not have demurred	I could not have been demurring you could not have been demurring he could not have been demurring we could not have been demurring you could not have been demurring they could not have been demurring

Interrogative form

Simple form	V-ing form
could I demur? could you demur? could he demur? could we demur? could you demur? could they demur?	could I be demurring? could you be demurring? could he be demurring? could we be demurring? could you be demurring? could they be demurring?
Perfect	V-ing perfect
could I have demurred? could you have demurred? could he have demurred? could we have demurred? could you have demurred? could they have demurred?	could I have been demurring? could you have been demurring? could he have been demurring? could we have been demurring? could you have been demurring? could they have been demurring?

Interro-negative form

Simple form	V-ing form
could I not demur? could you not demur? could he not demur? could we not demur? could you not demur? could they not demur?	could I not be demurring? could you not be demurring? could he not be demurring? could we not be demurring? could you not be demurring? could they not be demurring?
Perfect	V-ing perfect
could I not have demurred? could you not have demurred? could he not have demurred? could we not have demurred? could you not have demurred? could they not have demurred?	could I not have been demurring? could you not have been demurring? could he not have been demurring? could we not have been demurring? could you not have been demurring? could they not have been demurring?