| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] for [pron] [adj] [noun] | 8 |
|
| 2 | must [verb] for [pos pn] [adj] [noun] | 8 |
|
| 3 | must [verb] for [pron] [adj] [noun sg] | 6 |
|
