| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [adv] | 1487 |
|
| 2 | not been [adv] | 1268 |
|
| 3 | not [be] so | 805 |
|
| 4 | not be so | 805 |
|
| 5 | [adv] been so | 425 |
|
| 6 | not been so | 168 |
|
| 7 | not [been] so | 168 |
|
