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