| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have an [noun] | 489 |
|
| 2 | [modal v] have had [noun] | 167 |
|
| 3 | [modal v] have had an | 72 |
|
| 4 | have had an [noun] | 58 |
|
