| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [unc] | 2232 |
|
| 2 | [prep] a seaman | 29 |
|
| 3 | a seaman [unc] | 27 |
|
| 4 | [prep] seaman [unc] | 17 |
|
