| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] which had been | 913 |
|
| 2 | [noun sg] had [not/n't] been | 801 |
|
| 3 | which had [not/n't] been | 133 |
|
| 4 | [noun sg] which had [not/n't] | 74 |
|
