| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [be] difficult for them [verb] | 15 |
|
| 2 | it [be] difficult for them [verb] | 15 |
|
| 3 | [pron] [be] difficult for them [verb] | 15 |
|
| 4 | it [be] difficult for them [verb] | 15 |
|
| 5 | [modal v] [be] difficult for them [verb] | 7 |
|
| 6 | [vb mod] [be] difficult for them [verb] | 7 |
|
| 7 | [be] [adv] difficult for them [verb] | 11 |
|
| 8 | [be] [adv] difficult for them [verb] | 11 |
|
| 9 | [be] very difficult for them [verb] | 5 |
|
| 10 | [be] very difficult for them [verb] | 5 |
|
| 11 | [be] difficult for them [verb] [prep] | 5 |
|
| 12 | [be] difficult for them [verb] [prep] | 5 |
|
| 13 | [be] difficult for them [verb] [adj] | 5 |
|
| 14 | [be] difficult for them [verb] [adj] | 5 |
|
