| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is for [noun] [verb] | 39 |
|
| 2 | [pron] difficult for [noun] [verb] | 37 |
|
| 3 | [pron] is difficult for [noun] | 31 |
|
| 4 | is difficult for [noun] [verb] | 19 |
|
