| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] [noun] | 1283588 |
|
| 2 | compulsory [adj] [noun] | 189 |
|
| 3 | compulsory [prep] [adj] | 72 |
|
| 4 | compulsory [prep] [noun] | 38 |
|
