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