| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have an [noun] | 501 |
|
| 2 | have had an [noun] | 304 |
|
| 3 | [modal v] have had [noun] | 175 |
|
| 4 | [modal v] have had an | 73 |
|
