| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has proved [adj] | 70 |
|
| 2 | [noun sg] has prove [adj] | 52 |
|
| 3 | [noun pl] has prove [adj] | 14 |
|
| 4 | [noun] has prove difficult | 9 |
|
| 5 | [noun prp] has prove [adj] | 7 |
|
