| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pers pn] [vb mod] be [adv] difficult | 18 |
|
| 2 | [coord] [pron] [vb mod] be [adv] difficult | 18 |
|
| 3 | [coord] it [vb mod] be [adv] difficult | 17 |
|
| 4 | [coord] it [vb mod] be [adv] difficult | 17 |
|
| 5 | [coord] [noun] [vb mod] be [adv] difficult | 6 |
|
| 6 | [coord] [adj] [vb mod] be [adv] difficult | 5 |
|
| 7 | [coord] [vb mod] be [adv] difficult [to-vb] | 5 |
|
| 8 | [coord] [vb mod] be [adv] difficult [verb] | 5 |
|
