| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] form [prep] natural | 10 |
|
| 2 | [art] form [prep] natural | 10 |
|
| 3 | a form [prep] natural | 6 |
|
| 4 | a form [prep] natural | 6 |
|
| 5 | form [prep] natural [noun] | 14 |
|
| 6 | form [prep] natural [noun sg] | 12 |
|
