| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not [been] [verb] | 3695 |
|
| 2 | have [been] [verb] a | 1929 |
|
| 3 | have not [verb] a | 589 |
|
| 4 | have not [been] a | 179 |
|
| 5 | not [been] [verb] a | 32 |
|
