| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [noun sg] | 98 |
|
| 2 | [Wh det] extent [modal v] | 59 |
|
| 3 | [Wh det] extent [noun sg] | 16 |
|
| 4 | extent [modal v] [noun sg] | 5 |
|
