| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what she must [vb infin] | 9 |
|
| 2 | know what she must [vb infin] | 6 |
|
| 3 | knew what she must [vb infin] | 5 |
|
| 4 | [vb past] what she must [vb infin] | 5 |
|
