| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [not/n't] be [v-ing] for | 7 |
|
| 2 | had [not/n't] [been] [v-ing] for | 7 |
|
| 3 | had [not/n't] been [v-ing] for | 7 |
|
| 4 | had not [be] [v-ing] for | 5 |
|
