| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [vb pp] [art] | 772 |
|
| 2 | [adj] must [vb infin] [vb pp] | 115 |
|
| 3 | [adj] must [vb infin] [art] | 107 |
|
| 4 | [adj] [vb infin] [vb pp] [art] | 16 |
|
