| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be force [to-vb] on the | 19 |
|
| 2 | [be] forced [to-vb] on the | 19 |
|
| 3 | [was/were] force [to-vb] on the | 9 |
|
| 4 | was force [to-vb] on the | 6 |
|
