| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [art] [noun] | 487 |
|
| 2 | [modal v] have [art] problem | 71 |
|
| 3 | [vb mod] have [art] problem | 71 |
|
| 4 | may [vb infin] [art] problem | 36 |
|
| 5 | may [verb] [art] problem | 36 |
|
| 6 | may have [art] problem | 10 |
|
| 7 | may have [art] problem | 10 |
|
