| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have had a [noun sg] | 265 |
|
| 2 | they [vb mod] have a [noun sg] | 173 |
|
| 3 | they [vb mod] have had a | 49 |
|
| 4 | they [vb mod] have had [noun sg] | 9 |
|
