| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be refer to | 257 |
|
| 2 | [det] be refer to | 49 |
|
| 3 | [det] [vb mod] be to | 26 |
|
| 4 | [det] [vb mod] be refer | 12 |
|
