| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to [be] | 17707 |
|
| 2 | be require [prep] [be] | 134 |
|
| 3 | [be] require to [be] | 134 |
|
| 4 | be require to [be] | 134 |
|
