| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [conj] [pron] had be drinking | 5 |
|
| 2 | [vb past] [conj] [pron] had been drinking | 5 |
|
| 3 | [vb past] [conj] [pron] had [been] drinking | 5 |
|
