| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [to-vb] [prep] [noun] | 412 |
|
| 2 | was [to-vb] [prep] [noun sg] | 168 |
|
| 3 | was [verb] [prep] force | 16 |
|
| 4 | [be] [to-vb] [prep] force | 16 |
|
| 5 | be [to-vb] [prep] force | 16 |
|
| 6 | [was/were] [to-vb] [prep] force | 14 |
|
| 7 | was [to-vb] [prep] force | 9 |
|
