| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have had a [noun] | 62 |
|
| 2 | [noun pl] may have a [noun] | 40 |
|
| 3 | may have had a [noun] | 32 |
|
| 4 | [noun pl] may have had a | 16 |
|
