| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj -er] [noun sg] is required | 76 |
|
| 2 | further [noun] is required | 61 |
|
| 3 | [adj -er] action is required | 25 |
|
| 4 | [adj -er] action is required | 25 |
|
| 5 | [adj -er] work is required | 9 |
|
| 6 | [adj -er] work is required | 9 |
|
