| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] [be] referred to | 151 |
|
| 2 | [noun] [Wh det] [be] referred to | 20 |
|
| 3 | [Wh det] [vb mod] [be] referred to | 19 |
|
| 4 | [noun] [Wh det] [vb mod] [be] referred | 7 |
|
| 5 | [noun] [Wh det] [vb mod] [be] to | 6 |
|
