| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] [art] | 7075 |
|
| 2 | had been [v-ing] [prep] [art] | 721 |
|
| 3 | had been drive [prep] [art] | 21 |
|
| 4 | have been driving [prep] [art] | 13 |
|
| 5 | [verb] been driving [prep] [art] | 13 |
|
| 6 | [vb past] been driving [prep] [art] | 10 |
|
| 7 | had [be] driving [prep] [art] | 7 |
|
| 8 | had been driving [prep] [art] | 7 |
|
| 9 | had [been] driving [prep] [art] | 7 |
|
| 10 | had be driving [prep] [art] | 7 |
|
