| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [vb infin] | 19989 |
|
| 2 | must also [vb infin] | 680 |
|
| 3 | [pron] must also | 582 |
|
| 4 | [pron] also [vb infin] | 245 |
|
