| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [verb] seen | 101 |
|
| 2 | someone must [verb] [vb pp] | 46 |
|
| 3 | someone must [verb] [verb] | 46 |
|
| 4 | [indef pn] must [verb] seen | 13 |
|
| 5 | someone [modal v] [verb] seen | 13 |
|
| 6 | someone must [verb] see | 7 |
|
| 7 | someone must [verb] seen | 7 |
|
