en el diccionario PONS
maintain [meɪnˈteɪn] V. trans.
1. maintain (keep):
- maintain
- utrzymywać [perf utrzymać]
- maintain dignity, silence
- zachowywać [perf zachować]
2. maintain (service):
- maintain
-
3. maintain (provide for):
- to maintain sb
-
| I | maintain |
|---|---|
| you | maintain |
| he/she/it | maintains |
| we | maintain |
| you | maintain |
| they | maintain |
| I | maintained |
|---|---|
| you | maintained |
| he/she/it | maintained |
| we | maintained |
| you | maintained |
| they | maintained |
| I | have | maintained |
|---|---|---|
| you | have | maintained |
| he/she/it | has | maintained |
| we | have | maintained |
| you | have | maintained |
| they | have | maintained |
| I | had | maintained |
|---|---|---|
| you | had | maintained |
| he/she/it | had | maintained |
| we | had | maintained |
| you | had | maintained |
| they | had | maintained |