| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] had been driving | 20 |
|
| 2 | [pron] had been driving | 20 |
|
| 3 | [noun] had been driving | 11 |
|
| 4 | he had been driving | 8 |
|
| 5 | he had been driving | 8 |
|
| 6 | [noun prp] had been driving | 7 |
|
| 7 | they had been driving | 6 |
|
| 8 | they had been driving | 6 |
|
| 9 | had [adv] been driving | 5 |
|
| 10 | had been driving [prep] | 14 |
|
| 11 | had been driving [prep] | 14 |
|
| 12 | had been driving [adv] | 11 |
|
| 13 | had been driving [adv] | 8 |
|
