do I breakfast? do you breakfast? does he breakfast? do we breakfast? do you breakfast? do they breakfast?
Present continuous
am I breakfasting? are you breakfasting? is he breakfasting? are we breakfasting? are you breakfasting? are they breakfasting?
Preterite
did I breakfast? did you breakfast? did he breakfast? did we breakfast? did you breakfast? did they breakfast?
Preterite continuous
was I breakfasting? were you breakfasting? was he breakfasting? were we breakfasting? were you breakfasting? were they breakfasting?
Present perfect
have I breakfasted? have you breakfasted? has he breakfasted? have we breakfasted? have you breakfasted? have they breakfasted?
Present perfect continuous
have I been breakfasting? have you been breakfasting? has he been breakfasting? have we been breakfasting? have you been breakfasting? have they been breakfasting?
Pluperfect
had I breakfasted? had you breakfasted? had he breakfasted? had we breakfasted? had you breakfasted? had they breakfasted?
Pluperfect continuous
had I been breakfasting? had you been breakfasting? had he been breakfasting? had we been breakfasting? had you been breakfasting? had they been breakfasting?
Future
will I breakfast? will you breakfast? will he breakfast? will we breakfast? will you breakfast? will they breakfast?
Future continuous
will I be breakfasting? will you be breakfasting? will he be breakfasting? will we be breakfasting? will you be breakfasting? will they be breakfasting?
Future perfect
will I have breakfasted? will you have breakfasted? will he have breakfasted? will we have breakfasted? will you have breakfasted? will they have breakfasted?
Future perfect continuous
will I have been breakfasting? will you have been breakfasting? will he have been breakfasting? will we have been breakfasting? will you have been breakfasting? will they have been breakfasting?
Conditional
Present
would I breakfast? would you breakfast? would he breakfast? would we breakfast? would you breakfast? would they breakfast?
Present continuous
would I be breakfasting? would you be breakfasting? would he be breakfasting? would we be breakfasting? would you be breakfasting? would they be breakfasting?
Past
would I have breakfasted? would you have breakfasted? would he have breakfasted? would we have breakfasted? would you have breakfasted? would they have breakfasted?
Past continuous
would I have been breakfasting? would you have been breakfasting? would he have been breakfasting? would we have been breakfasting? would you have been breakfasting? would they have been breakfasting?