| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] not have taken [noun] | 11 |
|
| 2 | [noun] [vb mod] [not/n't] have taken [noun] | 11 |
|
| 3 | [noun] [vb mod] [not/n't] have taken [noun sg] | 11 |
|
| 4 | [noun] [vb mod] [not/n't] have taken place | 10 |
|
| 5 | [noun] [vb mod] [not/n't] have taken place | 10 |
|
| 6 | [noun sg] [vb mod] [not/n't] have taken [noun] | 7 |
|
| 7 | [noun] could [not/n't] have taken [noun] | 5 |
|
