| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] for [det] | 606 |
|
| 2 | [was/were] [vb pp] for [det] | 461 |
|
| 3 | [be] required for [det] | 69 |
|
| 4 | [was/were] required [prep] [det] | 18 |
|
| 5 | [was/were] required for [adj] | 13 |
|
| 6 | [was/were] require for [det] | 5 |
|
