| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and [pron] is [verb] | 471 |
|
| 2 | [noun] [pron] is difficult [verb] | 127 |
|
| 3 | and [pron] is difficult [verb] | 85 |
|
| 4 | [noun] and [pron] is difficult | 43 |
|
