| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [adv] | 2236 |
|
| 2 | had been [v-ing] [adv] | 506 |
|
| 3 | had been walking [adv] | 15 |
|
| 4 | have been walking [adv] | 11 |
|
| 5 | [verb] been walking [adv] | 11 |
|
| 6 | [vb past] been walking [adv] | 9 |
|
| 7 | had [be] walking [adv] | 8 |
|
| 8 | had [been] walking [adv] | 8 |
|
| 9 | had be walking [adv] | 8 |
|
| 10 | had been walk [adv] | 8 |
|
