| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] to be [prep] | 1079 |
|
| 2 | [vb past] to be some | 64 |
|
| 3 | to be [prep] some | 57 |
|
| 4 | [vb past] be [prep] some | 28 |
|
