| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun pl] have [det] difficulty | 7 |
|
| 2 | [noun pl] have [det] difficulty [prep] | 10 |
|
| 3 | [noun pl] have [det] difficulty [prep] | 10 |
|
| 4 | [noun pl] have [det] difficulty in | 9 |
|
| 5 | [noun pl] have [det] difficulty in | 9 |
|
