| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [verb] [prep] a | 5198 |
|
| 2 | were [vb pp] [prep] a | 4385 |
|
| 3 | [be] treated [prep] a | 730 |
|
| 4 | be treated [prep] a | 730 |
|
| 5 | [was/were] treated [prep] a | 139 |
|
| 6 | were treated [prep] [art] | 105 |
|
| 7 | were treat [prep] a | 64 |
|
