don't I contend? don't you contend? doesn't she contend? don't we contend? don't you contend? don't they contend?
Presente continuo
am I not contending? aren't you contending? isn't she contending? aren't we contending? aren't you contending? aren't they contending?
Pretérito
didn't I contend? didn't you contend? didn't she contend? didn't we contend? didn't you contend? didn't they contend?
Pretérito continuo
wasn't I contending? weren't you contending? wasn't she contending? weren't we contending? weren't you contending? weren't they contending?
Presente perfecto
haven't I contended? haven't you contended? hasn't she contended? haven't we contended? haven't you contended? haven't they contended?
Presente perfecto continuo
haven't I been contending? haven't you been contending? hasn't she been contending? haven't we been contending? haven't you been contending? haven't they been contending?
Pluscuamperfecto
hadn't I contended? hadn't you contended? hadn't she contended? hadn't we contended? hadn't you contended? hadn't they contended?
Pluscuamperfecto continuo
hadn't I been contending? hadn't you been contending? hadn't she been contending? hadn't we been contending? hadn't you been contending? hadn't they been contending?
Futuro simple
won't I contend? won't you contend? won't she contend? won't we contend? won't you contend? won't they contend?
Futuro continuo
won't I be contending? won't you be contending? won't she be contending? won't we be contending? won't you be contending? won't they be contending?
Futuro perfecto
won't I have contended? won't you have contended? won't she have contended? won't we have contended? won't you have contended? won't they have contended?
Futuro perfecto contínuo
won't I have been contending? won't you have been contending? won't she have been contending? won't we have been contending? won't you have been contending? won't they have been contending?
Condicional
Presente
wouldn't I contend? wouldn't you contend? wouldn't she contend? wouldn't we contend? wouldn't you contend? wouldn't they contend?
Presente continuo
wouldn't I be contending? wouldn't you be contending? wouldn't she be contending? wouldn't we be contending? wouldn't you be contending? wouldn't they be contending?
Passado
wouldn't I have contended? wouldn't you have contended? wouldn't she have contended? wouldn't we have contended? wouldn't you have contended? wouldn't they have contended?
Passado continuo
wouldn't I have been contending? wouldn't you have been contending? wouldn't she have been contending? wouldn't we have been contending? wouldn't you have been contending? wouldn't they have been contending?