| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] [verb] [adj] [noun pl] | 316 |
|
| 2 | [be] require [verb] [adj] [noun pl] | 60 |
|
| 3 | [is] require [verb] [adj] [noun] | 25 |
|
| 4 | [is] require [verb] [adj] [noun pl] | 25 |
|
