| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [vb infin] [vb pp] | 2546 |
|
| 2 | [pron] must [vb infin] an | 119 |
|
| 3 | must [vb infin] [vb pp] an | 49 |
|
| 4 | [pron] [vb infin] [vb pp] an | 6 |
|
