| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [prep] | 71804 |
|
| 2 | were [verb] [prep] | 52838 |
|
| 3 | were [verb] [to-vb] | 9560 |
|
| 4 | were [to-vb] [prep] | 680 |
|
