| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been using [noun] for | 13 |
|
| 2 | been use [noun] for | 13 |
|
| 3 | been use [noun sg] for | 7 |
|
| 4 | been use heroin for | 6 |
|
| 5 | been use heroin for | 6 |
|
| 6 | been use [noun pl] for | 5 |
|
