| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] very difficult for [pron] | 22 |
|
| 2 | [pron] [is] very difficult for [pers pn] | 19 |
|
| 3 | [pron] [is] very [adj] for us | 16 |
|
| 4 | [pron] [is] [adv] difficult for us | 7 |
|
| 5 | [pron] [is] [adv] difficult for us | 7 |
|
| 6 | [pron] [be] very difficult for us | 7 |
|
| 7 | [pron] [is] very difficult for we | 6 |
|
| 8 | [pron] [is] very difficult [prep] us | 6 |
|
| 9 | [pron] [is] very difficult [prep] us | 6 |
|
| 10 | [pron] [is] very difficult for us | 6 |
|
| 11 | [pron] [is] very difficult for us | 6 |
|
