| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] have a [adj] | 70 |
|
| 2 | [adv] have had a [adj] | 54 |
|
| 3 | may have had a [adj] | 31 |
|
| 4 | may [adv] have had a | 15 |
|
| 5 | may [adv] have had [adj] | 12 |
|
