| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] force [verb] at the [noun sg] | 6 |
|
| 2 | [was/were] force [to-vb] at [art] [noun sg] | 6 |
|
| 3 | [was/were] forced [verb] at [art] [noun sg] | 6 |
|
| 4 | was force [verb] at [art] [noun sg] | 5 |
|
