| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is very [adj] for | 111 |
|
| 2 | it is very [adj] for | 110 |
|
| 3 | it is [adv] difficult for | 78 |
|
| 4 | it [be] very difficult for | 61 |
|
| 5 | it be very difficult for | 61 |
|
| 6 | it [is] very difficult for | 48 |
|
| 7 | it is very difficult [prep] | 31 |
|
| 8 | it is very difficult for | 23 |
|
| 9 | [pron] is very difficult for | 23 |
|
| 10 | [pers pn] is very difficult for | 23 |
|
| 11 | it is very difficult for | 23 |
|
