| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [adv] | 6646 |
|
| 2 | [vb past] been driving | 48 |
|
| 3 | been driving [adv] | 24 |
|
| 4 | [vb past] driving [adv] | 11 |
|
