| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [adj] difficulty [verb] | 22 |
|
| 2 | [modal v] have [adj] difficulty [verb] | 9 |
|
| 3 | [modal v] have great difficulty [verb] | 7 |
|
| 4 | [modal v] have great [noun] [verb] | 7 |
|
| 5 | 6 |
|
|
| 6 | [modal v] [verb] great difficulty [verb] | 6 |
|
| 7 | [modal v] have great difficulty [verb] | 6 |
|
