| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] may have [det] difficulty | 5 |
|
| 2 | may have [det] difficulty [prep] | 6 |
|
| 3 | may have [det] difficulty [prep] | 6 |
|
| 4 | may have [det] difficulty in | 5 |
|
| 5 | may have [det] difficulty in | 5 |
|
