| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [adv] be | 1809 |
|
| 2 | [modal v] [adv] be [noun] | 1006 |
|
| 3 | [Wh det] [modal v] be [noun] | 119 |
|
| 4 | [Wh det] [modal v] [adv] [noun] | 8 |
|
