| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been | 37784 |
|
| 2 | not [be] | 36462 |
|
| 3 | not be | 36455 |
|
| 4 | [not/n't] been | 10066 |
|
| 5 | not been | 10062 |
|
| 6 | not [been] | 7126 |
|
