Regular verb: stumble - stumbled - stumbled
Present | Present continuous | Preterite | Preterite continuous |
do I stumble? do you stumble? does he stumble? do we stumble? do you stumble? do they stumble? | am I stumbling? are you stumbling? is he stumbling? are we stumbling? are you stumbling? are they stumbling? | did I stumble? did you stumble? did he stumble? did we stumble? did you stumble? did they stumble? | was I stumbling? were you stumbling? was he stumbling? were we stumbling? were you stumbling? were they stumbling? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
have I stumbled? have you stumbled? has he stumbled? have we stumbled? have you stumbled? have they stumbled? | have I been stumbling? have you been stumbling? has he been stumbling? have we been stumbling? have you been stumbling? have they been stumbling? | had I stumbled? had you stumbled? had he stumbled? had we stumbled? had you stumbled? had they stumbled? | had I been stumbling? had you been stumbling? had he been stumbling? had we been stumbling? had you been stumbling? had they been stumbling? |
Future | Future continuous | Future perfect | Future perfect continuous |
will I stumble? will you stumble? will he stumble? will we stumble? will you stumble? will they stumble? | will I be stumbling? will you be stumbling? will he be stumbling? will we be stumbling? will you be stumbling? will they be stumbling? | will I have stumbled? will you have stumbled? will he have stumbled? will we have stumbled? will you have stumbled? will they have stumbled? | will I have been stumbling? will you have been stumbling? will he have been stumbling? will we have been stumbling? will you have been stumbling? will they have been stumbling? |
Present | Present continuous | Past | Past continuous |
would I stumble? would you stumble? would he stumble? would we stumble? would you stumble? would they stumble? | would I be stumbling? would you be stumbling? would he be stumbling? would we be stumbling? would you be stumbling? would they be stumbling? | would I have stumbled? would you have stumbled? would he have stumbled? would we have stumbled? would you have stumbled? would they have stumbled? | would I have been stumbling? would you have been stumbling? would he have been stumbling? would we have been stumbling? would you have been stumbling? would they have been stumbling? |
Infinitive | Imperative |
Infinitive | Imperative | ||
to stumble | - - - |
Present | Past | ||
stumbling | stumbled |