| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh det] must [vb infin] | 174 |
|
| 2 | [noun] which must [vb infin] | 172 |
|
| 3 | [noun sg] [Wh det] must [vb infin] | 128 |
|
| 4 | [noun] [Wh det] must have | 69 |
|
| 5 | [noun pl] [Wh det] must [vb infin] | 42 |
|
