| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [prep] a | 1134 |
|
| 2 | [vb mod] only be a | 201 |
|
| 3 | [vb mod] only be [prep] | 128 |
|
| 4 | only be [prep] a | 32 |
|
