| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun] have a [noun] | 654 |
|
| 2 | [noun sg] [noun] [verb] a duty | 21 |
|
| 3 | [noun] [noun] have a duty | 18 |
|
| 4 | [noun sg] [noun] have [art] duty | 16 |
|
| 5 | [noun sg] [noun] have [art] duty | 16 |
|
| 6 | [noun sg] [noun] have a duty | 15 |
|
