| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] [art] [noun pl] | 505 |
|
| 2 | had been [v-ing] [prep] [art] [noun pl] | 51 |
|
| 3 | had been working [prep] [art] [noun] | 49 |
|
| 4 | have been working [prep] [art] [noun pl] | 13 |
|
| 5 | [verb] been working [prep] [art] [noun pl] | 13 |
|
| 6 | [vb past] been working [prep] [art] [noun pl] | 7 |
|
| 7 | had been work [prep] [art] [noun pl] | 6 |
|
| 8 | had be working [prep] [art] [noun pl] | 6 |
|
| 9 | had [be] working [prep] [art] [noun pl] | 6 |
|
| 10 | had [been] working [prep] [art] [noun pl] | 6 |
|
