| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] had a [noun] | 252 |
|
| 2 | has had a [noun] | 236 |
|
| 3 | has [not/n't] had a | 68 |
|
| 4 | has [not/n't] a [noun] | 32 |
|
| 5 | has [not/n't] had [noun] | 19 |
|
