| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] and [verb] [adj] [noun] | 431 |
|
| 2 | must [vb infin] [verb] [adj] [noun] | 264 |
|
| 3 | must [vb infin] and [verb] [adj] | 30 |
|
| 4 | must [vb infin] and [verb] [noun] | 20 |
|
