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