| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] have a difficult | 5 |
|
| 2 | [verb] have a difficult [noun] | 10 |
|
| 3 | [verb] have a difficult [noun sg] | 10 |
|
| 4 | [verb] have a difficult time | 5 |
|
| 5 | [verb] have a difficult time | 5 |
|
