| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] may have [noun] | 105 |
|
| 2 | [pers pn] [modal v] have difficulty | 38 |
|
| 3 | [pron] may have difficulty | 12 |
|
| 4 | [pers pn] may [verb] difficulty | 12 |
|
| 5 | [pers pn] may [vb infin] difficulty | 12 |
|
| 6 | [pers pn] may have difficulty | 9 |
|
