| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [verb] to | 2155 |
|
| 2 | [modal v] be refer to | 257 |
|
| 3 | can be refer [prep] | 39 |
|
| 4 | can be refer [prep] | 39 |
|
| 5 | can be refer to | 35 |
|
| 6 | can [be] refer to | 35 |
|
