| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh det] [modal v] [be] helpful | 14 |
|
| 2 | [noun sg] [Wh det] [modal v] [be] helpful | 7 |
|
| 3 | [noun pl] [Wh det] [modal v] [be] helpful | 7 |
|
| 4 | [Wh det] [modal v] [be] [adv] helpful | 7 |
|
| 5 | [Wh det] [modal v] [be] [adv] helpful | 7 |
|
| 6 | [Wh det] [modal v] [be] helpful [prep] | 11 |
|
| 7 | [Wh det] [modal v] [be] helpful [prep] | 11 |
|
| 8 | [Wh det] [modal v] [be] helpful to | 7 |
|
| 9 | [Wh det] [modal v] [be] helpful to | 7 |
|
