| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have had an [noun sg] | 48 |
|
| 2 | [modal v] have had an [noun sg] | 47 |
|
| 3 | may have had an [noun sg] | 12 |
|
| 4 | may have had an [noun sg] | 12 |
|
| 5 | would have had an [noun sg] | 11 |
|
| 6 | would have had an [noun sg] | 11 |
|
| 7 | must have had an [noun sg] | 9 |
|
| 8 | must have had an [noun sg] | 9 |
|
| 9 | [modal v] have had an effect | 8 |
|
| 10 | should have had an [noun sg] | 7 |
|
| 11 | should have had an [noun sg] | 7 |
|
