| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [modal v] [be] [verb] to | 1994 |
|
| 2 | [noun pl] [modal v] [be] [vb pp] to | 1958 |
|
| 3 | [noun] [modal v] [be] referred to | 151 |
|
| 4 | [noun pl] [modal v] [be] referred [prep] | 62 |
|
| 5 | [noun pl] [modal v] [be] referred [prep] | 62 |
|
| 6 | [noun pl] [modal v] [be] refer to | 57 |
|
| 7 | [noun pl] [modal v] [be] referred to | 57 |
|
