| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [pron] must [vb infin] | 145 |
|
| 2 | [noun] which [pron] must [vb infin] | 57 |
|
| 3 | a [noun] which must [vb infin] | 37 |
|
| 4 | a [noun] which [pron] must | 14 |
|
