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