| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [adv] difficult [to-vb] [coord] | 18 |
|
| 2 | [pron] be [adv] difficult [verb] and | 17 |
|
| 3 | [pers pn] be [adv] difficult [verb] [coord] | 15 |
|
| 4 | it be [adv] difficult [verb] [coord] | 9 |
|
| 5 | it be [adv] difficult [verb] [coord] | 9 |
|
| 6 | [pron] is [adv] difficult [verb] [coord] | 8 |
|
| 7 | they be [adv] difficult [verb] [coord] | 5 |
|
| 8 | [pron] be very difficult [verb] [coord] | 5 |
|
| 9 | [pron] are [adv] difficult [verb] [coord] | 5 |
|
