| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb base] a [adj] duty [to-vb] | 17 |
|
| 2 | [noun pl] [vb base] a [adj] duty [to-vb] | 11 |
|
| 3 | [pron] [vb base] a [adj] duty [to-vb] | 7 |
|
| 4 | [pers pn] [vb base] a [adj] duty [to-vb] | 7 |
|
| 5 | authority [vb base] a [adj] duty [to-vb] | 5 |
|
| 6 | authorities [vb base] a [adj] duty [to-vb] | 5 |
|
| 7 | [vb base] a [adj] duty [to-vb] [adj] | 6 |
|
| 8 | [vb base] a [adj] duty [to-vb] [noun] | 5 |
|
| 9 | [vb base] a [adj] duty [to-vb] [art] | 5 |
|
| 10 | [vb base] a [adj] duty [to-vb] [pron] | 5 |
|
| 11 | [vb base] a [adj] duty [to-vb] [art] | 5 |
|
