| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] can be [adv] difficult [verb] | 32 |
|
| 2 | [pron] can be [adv] difficult [verb] | 32 |
|
| 3 | [pron] can be [adv] difficult [to-vb] | 31 |
|
| 4 | [pers pn] can be [adv] difficult [verb] | 28 |
|
| 5 | it can be [adv] difficult [verb] | 26 |
|
| 6 | it can be [adv] difficult [verb] | 26 |
|
| 7 | [pron] can be very difficult [verb] | 13 |
|
| 8 | [pron] can be very difficult [verb] | 13 |
|
| 9 | [pron] can be quite difficult [verb] | 6 |
|
| 10 | [pron] can be quite difficult [verb] | 6 |
|
| 11 | [pron] can be more difficult [verb] | 5 |
|
| 12 | [pron] can be more difficult [verb] | 5 |
|
