| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [to-vb] their | 367 |
|
| 2 | [be] require [to-vb] their | 57 |
|
| 3 | [was/were] require [to-vb] [pron] | 37 |
|
| 4 | [was/were] require [verb] their | 9 |
|
