| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [not/n't] been [verb] | 1864 |
|
| 2 | had [not/n't] been [v-ing] | 228 |
|
| 3 | had [adv] been working | 29 |
|
| 4 | have [not/n't] been working | 13 |
|
| 5 | [verb] [not/n't] been working | 13 |
|
| 6 | had [not/n't] been work | 11 |
|
| 7 | [vb past] [not/n't] been working | 8 |
|
| 8 | had [not/n't] be working | 8 |
|
| 9 | had [not/n't] [be] working | 8 |
|
| 10 | had [not/n't] [been] working | 8 |
|
