| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they may have [verb] | 289 |
|
| 2 | they may have [to-vb] | 49 |
|
| 3 | they [vb mod] have to wait | 30 |
|
| 4 | they [modal v] have to wait | 30 |
|
| 5 | [pron] may have to wait | 22 |
|
| 6 | they may have to wait | 5 |
|
| 7 | they may [verb] to wait | 5 |
|
| 8 | they may have wait | 5 |
|
