| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] for [noun] | 8520 |
|
| 2 | [noun] ground for [noun] | 67 |
|
| 3 | a [noun] ground for | 52 |
|
| 4 | a ground for [noun] | 17 |
|
| 5 | a [noun] ground [noun] | 6 |
|
