| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] be [adv] difficult [to-vb] [coord] | 15 |
|
| 2 | [pers pn] be [adv] difficult [verb] and | 14 |
|
| 3 | it be [adv] difficult [verb] [coord] | 9 |
|
| 4 | [pers pn] is [adv] difficult [verb] [coord] | 7 |
|
| 5 | [pers pn] be very difficult [verb] [coord] | 5 |
|
