| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] to | 10340 |
|
| 2 | [modal v] [be] [vb pp] to | 9702 |
|
| 3 | [modal v] [be] referred [prep] | 264 |
|
| 4 | [modal v] [be] referred [prep] | 264 |
|
| 5 | [modal v] [be] refer to | 257 |
|
| 6 | [modal v] [be] referred to | 246 |
|
