do I not interchange? do you not interchange? does he not interchange? do we not interchange? do you not interchange? do they not interchange?
Present continuous
am I not interchanging? are you not interchanging? is he not interchanging? are we not interchanging? are you not interchanging? are they not interchanging?
Preterite
did I not interchange? did you not interchange? did he not interchange? did we not interchange? did you not interchange? did they not interchange?
Preterite continuous
was I not interchanging? were you not interchanging? was he not interchanging? were we not interchanging? were you not interchanging? were they not interchanging?
Present perfect
have I not interchanged? have you not interchanged? has he not interchanged? have we not interchanged? have you not interchanged? have they not interchanged?
Present perfect continuous
have I not been interchanging? have you not been interchanging? has he not been interchanging? have we not been interchanging? have you not been interchanging? have they not been interchanging?
Pluperfect
had I not interchanged? had you not interchanged? had he not interchanged? had we not interchanged? had you not interchanged? had they not interchanged?
Pluperfect continuous
had I not been interchanging? had you not been interchanging? had he not been interchanging? had we not been interchanging? had you not been interchanging? had they not been interchanging?
Future
will I not interchange? will you not interchange? will he not interchange? will we not interchange? will you not interchange? will they not interchange?
Future continuous
will I not be interchanging? will you not be interchanging? will he not be interchanging? will we not be interchanging? will you not be interchanging? will they not be interchanging?
Future perfect
will I not have interchanged? will you not have interchanged? will he not have interchanged? will we not have interchanged? will you not have interchanged? will they not have interchanged?
Future perfect continuous
will I not have been interchanging? will you not have been interchanging? will he not have been interchanging? will we not have been interchanging? will you not have been interchanging? will they not have been interchanging?
Conditional
Present
would I not interchange? would you not interchange? would he not interchange? would we not interchange? would you not interchange? would they not interchange?
Present continuous
would I not be interchanging? would you not be interchanging? would he not be interchanging? would we not be interchanging? would you not be interchanging? would they not be interchanging?
Past
would I not have interchanged? would you not have interchanged? would he not have interchanged? would we not have interchanged? would you not have interchanged? would they not have interchanged?
Past continuous
would I not have been interchanging? would you not have been interchanging? would he not have been interchanging? would we not have been interchanging? would you not have been interchanging? would they not have been interchanging?