| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have not been a | 74 |
|
| 2 | [noun] have not [been] a | 65 |
|
| 3 | [noun] had not [been] a | 40 |
|
| 4 | [noun sg] have not [been] a | 38 |
|
| 5 | [noun] has not [been] a | 33 |
|
| 6 | [noun prp] have not [been] a | 22 |
|
| 7 | [noun pl] have not [been] a | 13 |
|
| 8 | [noun] have n't [been] a | 9 |
|
