| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that it was his [noun] | 43 |
|
| 2 | that it was [pron] duty | 13 |
|
| 3 | [conj] it was his duty | 11 |
|
| 4 | that it [be] his duty | 9 |
|
| 5 | that it be his duty | 9 |
|
| 6 | that [pron] was his duty | 7 |
|
| 7 | that [pers pn] was his duty | 7 |
|
| 8 | that it was his duty | 7 |
|
| 9 | that it [was/were] his duty | 7 |
|
