| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it may [be] difficult for | 6 |
|
| 2 | it may [be] [adv] difficult for | 7 |
|
| 3 | it may [be] [adv] difficult for | 7 |
|
| 4 | it may [be] difficult for [pron] | 8 |
|
| 5 | it may [be] difficult for [pers pn] | 8 |
|
| 6 | it may [be] difficult for [art] | 7 |
|
| 7 | it may [be] difficult for [art] | 7 |
|
| 8 | it may [be] difficult for the | 5 |
|
| 9 | it may [be] difficult for the | 5 |
|
