| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] we must [vb infin] | 35 |
|
| 2 | [Wh adv] we must [vb infin] | 35 |
|
| 3 | why we must [vb infin] | 23 |
|
| 4 | where we must [vb infin] | 9 |
|
