| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [vb infin] | 32619 |
|
| 2 | [pron] must [vb infin] | 19989 |
|
| 3 | [pers pn] must [vb infin] | 18264 |
|
| 4 | they must [vb infin] | 1624 |
|
| 5 | they must [verb] | 1582 |
|
