| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not been [det] | 161 |
|
| 2 | have not been so | 150 |
|
| 3 | have been so [det] | 85 |
|
| 4 | have not so [det] | 13 |
|
| 5 | not been so [det] | 7 |
|
