| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be referred to | 246 |
|
| 2 | [vb mod] be referred to | 246 |
|
| 3 | shall be [verb] to | 196 |
|
| 4 | shall be [vb pp] to | 163 |
|
| 5 | shall be refer to | 11 |
|
| 6 | shall be referred to | 10 |
|
| 7 | shall be referred to | 10 |
|
| 8 | shall [be] referred to | 10 |
|
| 9 | shall be referred [prep] | 10 |
|
| 10 | shall be referred [prep] | 10 |
|
