| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but he may [adv] have | 10 |
|
| 2 | but he may [adv] have | 10 |
|
| 3 | but he may not have | 6 |
|
| 4 | but he may not have | 6 |
|
| 5 | but he may [not/n't] have | 6 |
|
