| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must [be] kept [adj] | 36 |
|
| 2 | [noun sg] must [be] kept [adj] | 19 |
|
| 3 | [noun pl] must [be] kept [adj] | 16 |
|
| 4 | must [be] kept [prep] [adj] | 9 |
|
| 5 | must [be] kept [prep] [adj] | 9 |
|
| 6 | must [be] kept [adv] [adj] | 8 |
|
| 7 | must [be] kept [adv] [adj] | 8 |
|
| 8 | must [be] kept [adj] [conj] | 13 |
|
| 9 | must [be] kept [adj] [coord] | 12 |
|
| 10 | must [be] kept [adj] [prep] | 10 |
|
| 11 | must [be] kept [adj] and | 10 |
|
| 12 | must [be] kept [adj] [prep] | 10 |
|
| 13 | must [be] kept [adj] and | 10 |
|
