| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [verb] [prep] | 18820 |
|
| 2 | [verb] be use [prep] | 916 |
|
| 3 | [vb past] [be] use [prep] | 169 |
|
| 4 | [vb past] be use [prep] | 169 |
|
