| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] [vb mod] have been difficult | 13 |
|
| 2 | [coord] [pron] [vb mod] have been difficult | 6 |
|
| 3 | [noun] [pron] [vb mod] have been difficult | 5 |
|
| 4 | [adv] [pron] [vb mod] have been difficult | 5 |
|
| 5 | [pron] [vb mod] have been [adv] difficult | 14 |
|
| 6 | [pron] [vb mod] have been [adv] difficult | 14 |
|
| 7 | [pron] [vb mod] have been very difficult | 8 |
|
| 8 | [pron] [vb mod] have been very difficult | 8 |
|
| 9 | [pron] [vb mod] have been difficult [verb] | 23 |
|
| 10 | [pron] [vb mod] have been difficult [to-vb] | 22 |
|
| 11 | [pron] [vb mod] have been difficult [prep] | 20 |
|
| 12 | [pron] [vb mod] have been difficult [prep] | 20 |
|
| 13 | [pron] [vb mod] have been difficult for | 18 |
|
| 14 | [pron] [vb mod] have been difficult for | 18 |
|
