| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] refer to [art] | 83 |
|
| 2 | shall [be] [verb] to [art] | 75 |
|
| 3 | shall [be] refer to [art] | 8 |
|
| 4 | shall [be] refer to [art] | 8 |
|
| 5 | shall [be] refer [prep] [art] | 8 |
|
| 6 | shall [be] refer to [art] | 8 |
|
| 7 | shall [be] refer [prep] [art] | 8 |
|
