| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pers pn] must [vb infin] | 504 |
|
| 2 | they [vb base] [pers pn] [vb infin] | 215 |
|
| 3 | they [vb base] [pers pn] must | 30 |
|
| 4 | they [vb base] must [vb infin] | 8 |
|
