| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [adv] difficult [verb] | 706 |
|
| 2 | [pers pn] is [adv] difficult [verb] | 559 |
|
| 3 | [pers pn] is often [adj] [verb] | 217 |
|
| 4 | [pers pn] is often [adj] [verb] | 192 |
|
| 5 | [pers pn] [be] often difficult [verb] | 76 |
|
| 6 | [pers pn] be often difficult [verb] | 76 |
|
| 7 | [pers pn] [is] often difficult [verb] | 62 |
|
| 8 | [pers pn] is often difficult [verb] | 59 |
|
| 9 | [pron] is often difficult [verb] | 59 |
|
| 10 | [pers pn] is often difficult [verb] | 59 |
|
