| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be require [prep] be | 13 |
|
| 2 | [Wh det] be require [prep] [be] | 13 |
|
| 3 | [Wh det] be required [prep] [be] | 13 |
|
| 4 | [Wh det] be require to [be] | 13 |
|
| 5 | [Wh det] be require to [be] | 13 |
|
| 6 | which be require [prep] [be] | 12 |
|
