| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [verb] [adj] [noun] | 1277 |
|
| 2 | be require [verb] [adj] [noun] | 295 |
|
| 3 | [be] require [verb] [adj] [noun] | 295 |
|
| 4 | [is] require [verb] [adj] [noun] | 59 |
|
