| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [be] [adv] require [prep] [be] | 7 |
|
| 2 | [pron] [be] [adv] require [prep] [be] | 5 |
|
| 3 | [be] [adv] require [prep] [be] [verb] | 10 |
|
| 4 | [be] [adv] require [prep] [be] [vb pp] | 10 |
|
