| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have not [vb pp] [art] | 314 |
|
| 2 | they have not been [vb pp] | 221 |
|
| 3 | have not been [vb pp] [art] | 79 |
|
| 4 | they have been [vb pp] [art] | 69 |
|
| 5 | they have not been [art] | 5 |
|
