| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [noun] | 604510 |
|
| 2 | in [noun pl] | 60240 |
|
| 3 | [prep] drugs | 1327 |
|
| 4 | [prep] drugs | 1326 |
|
| 5 | in drug | 120 |
|
| 6 | in drugs | 53 |
|
