| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] [conj] [noun] | 3254 |
|
| 2 | [adj] [conj] [noun] must | 67 |
|
| 3 | [is] [adj] [conj] must | 25 |
|
| 4 | [is] [adj] [noun] must | 21 |
|
| 5 | [is] [conj] [noun] must | 15 |
|
