| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [be] [adj] | 556 |
|
| 2 | [vb infin] [be] [adj] to | 325 |
|
| 3 | must [be] [adj] to | 265 |
|
| 4 | must [vb infin] [adj] to | 31 |
|
| 5 | must [vb infin] [be] to | 9 |
|
