| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [noun sg] | 215237 |
|
| 2 | [prep] [noun sg] [noun sg] | 143202 |
|
| 3 | [prep] carbon [noun] | 600 |
|
| 4 | [prep] carbon [noun sg] | 550 |
|
