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