| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] [art] [adj] [noun] | 1478 |
|
| 2 | [conj] [art] [adj] [noun] must | 339 |
|
| 3 | is [conj] [art] [noun] must | 64 |
|
| 4 | is [conj] [adj] [noun] must | 11 |
|
