| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be to [be] | 856 |
|
| 2 | be require to [be] | 134 |
|
| 3 | [Wh det] be require to | 15 |
|
| 4 | [Wh det] require to [be] | 8 |
|
