do I contend? do you contend? does she contend? do we contend? do you contend? do they contend?
Present continuous
am I contending? are you contending? is she contending? are we contending? are you contending? are they contending?
Preterite
did I contend? did you contend? did she contend? did we contend? did you contend? did they contend?
Preterite continuous
was I contending? were you contending? was she contending? were we contending? were you contending? were they contending?
Present perfect
have I contended? have you contended? has she contended? have we contended? have you contended? have they contended?
Present perfect continuous
have I been contending? have you been contending? has she been contending? have we been contending? have you been contending? have they been contending?
Pluperfect
had I contended? had you contended? had she contended? had we contended? had you contended? had they contended?
Pluperfect continuous
had I been contending? had you been contending? had she been contending? had we been contending? had you been contending? had they been contending?
Future
will I contend? will you contend? will she contend? will we contend? will you contend? will they contend?
Future continuous
will I be contending? will you be contending? will she be contending? will we be contending? will you be contending? will they be contending?
Future perfect
will I have contended? will you have contended? will she have contended? will we have contended? will you have contended? will they have contended?
Future perfect continuous
will I have been contending? will you have been contending? will she have been contending? will we have been contending? will you have been contending? will they have been contending?
Conditional
Present
would I contend? would you contend? would she contend? would we contend? would you contend? would they contend?
Present continuous
would I be contending? would you be contending? would she be contending? would we be contending? would you be contending? would they be contending?
Past
would I have contended? would you have contended? would she have contended? would we have contended? would you have contended? would they have contended?
Past continuous
would I have been contending? would you have been contending? would she have been contending? would we have been contending? would you have been contending? would they have been contending?