| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for use at | 34 |
|
| 2 | substance [prep] use at | 8 |
|
| 3 | substance [prep] use at | 8 |
|
| 4 | substance for use at | 7 |
|
| 5 | substance for use [prep] | 7 |
|
| 6 | substance for [noun] at | 7 |
|
