| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] had been driving | 8 |
|
| 2 | [subord] [pron] had been driving | 5 |
|
| 3 | [pron] had been driving [adv] | 9 |
|
| 4 | [pron] had been driving [prep] | 8 |
|
| 5 | [pron] had been driving [prep] | 8 |
|
| 6 | [pron] had been driving [adv] | 7 |
|
