| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have [vb pp] [art] | 671 |
|
| 2 | not have [been] [vb pp] | 554 |
|
| 3 | not have [been] [art] | 210 |
|
| 4 | have [been] [vb pp] [art] | 147 |
|
| 5 | not [been] [vb pp] [art] | 81 |
|
