| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [noun] for | 209 |
|
| 2 | [been] [v-ing] [noun sg] for | 86 |
|
| 3 | [be] [v-ing] heroin for | 6 |
|
| 4 | [been] [verb] heroin for | 6 |
|
| 5 | [been] [v-ing] heroin for | 6 |
|
| 6 | [been] [v-ing] heroin [prep] | 6 |
|
