| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [unc] [noun sg] | 6253 |
|
| 2 | [prep] [art] seaman [unc] [noun sg] | 32 |
|
| 3 | [prep] a seaman [unc] [noun] | 14 |
|
