| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [noun pl] | 16066 |
|
| 2 | [vb pp] [to-vb] [noun pl] | 5357 |
|
| 3 | required [to-vb] [noun] | 519 |
|
| 4 | require [to-vb] [noun pl] | 192 |
|
| 5 | required [verb] [noun pl] | 190 |
|
