I. understand <understood> [ˌʌndəˈstænd] 动词 trans
II. understand <understood> [ˌʌndəˈstænd] 动词 不及物动词
| I | understand |
|---|---|
| you | understand |
| he/she/it | understands |
| we | understand |
| you | understand |
| they | understand |
| I | understood |
|---|---|
| you | understood |
| he/she/it | understood |
| we | understood |
| you | understood |
| they | understood |
| I | have | understood |
|---|---|---|
| you | have | understood |
| he/she/it | has | understood |
| we | have | understood |
| you | have | understood |
| they | have | understood |
| I | had | understood |
|---|---|---|
| you | had | understood |
| he/she/it | had | understood |
| we | had | understood |
| you | had | understood |
| they | had | understood |