| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] [verb] them | 89 |
|
| 2 | must [verb] [vb pp] them | 77 |
|
| 3 | must [verb] seen [pron] | 73 |
|
| 4 | must [verb] seen [pers pn] | 50 |
|
| 5 | [modal v] [verb] seen them | 22 |
|
| 6 | must [verb] seen they | 7 |
|
| 7 | must [verb] see them | 6 |
|
