| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] had been [verb] | 3174 |
|
| 2 | [conj] [pron] had been [v-ing] | 730 |
|
| 3 | [conj] [pron] have been driving | 15 |
|
| 4 | [conj] [pron] [verb] been driving | 15 |
|
| 5 | [conj] [pron] had been drive | 14 |
|
| 6 | [conj] [pron] [vb past] been driving | 11 |
|
| 7 | [conj] [pron] had be driving | 8 |
|
| 8 | [conj] [pron] had [be] driving | 8 |
|
| 9 | [conj] [pron] had [been] driving | 8 |
|
