| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] to [be] [vb pp] [prep] | 293 |
|
| 2 | was [vb pp] to [be] [vb pp] [prep] | 197 |
|
| 3 | [be] required to [be] [vb pp] [prep] | 58 |
|
| 4 | be required to [be] [vb pp] [prep] | 58 |
|
| 5 | [was/were] required to [be] [vb pp] [prep] | 8 |
|
| 6 | was required [prep] [be] [vb pp] [prep] | 5 |
|
| 7 | was require to [be] [vb pp] [prep] | 5 |
|
| 8 | was required [prep] [be] [vb pp] [prep] | 5 |
|
| 9 | was required to [be] [vb pp] [prep] | 5 |
|
| 10 | was required to [be] [verb] [prep] | 5 |
|
