| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have a [noun] | 7705 |
|
| 2 | [noun] [verb] a duty | 195 |
|
| 3 | [noun] have [art] duty | 142 |
|
| 4 | [noun] have [art] duty | 142 |
|
| 5 | [noun] have a duty | 129 |
|
