| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been drinking | 105 |
|
| 2 | 'd been drinking | 32 |
|
| 3 | 've been drinking | 18 |
|
| 4 | have been drinking | 13 |
|
| 5 | 's been drinking | 9 |
|
| 6 | has been drinking | 7 |
|
| 7 | have been drinking | 5 |
|
