| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be [verb] to [be] | 813 |
|
| 2 | [pron] be require to [be] | 24 |
|
| 3 | [Wh det] be require to [be] | 13 |
|
| 4 | [Wh det] be require [prep] [be] | 13 |
|
| 5 | [Wh det] [be] require to [be] | 13 |
|
