| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] have [noun] in | 99 |
|
| 2 | [pron] [modal v] [vb infin] difficulty in | 32 |
|
| 3 | [pron] [modal v] [verb] difficulty in | 32 |
|
| 4 | [pron] [modal v] have difficulty [prep] | 24 |
|
| 5 | [pron] [modal v] have difficulty in | 20 |
|
