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