| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] it [is] for | 105 |
|
| 2 | [adj] it [is] for | 83 |
|
| 3 | difficult it [be] for | 31 |
|
| 4 | difficult it [is] [prep] | 26 |
|
| 5 | difficult it [is] [prep] | 26 |
|
| 6 | difficult it [is] for | 22 |
|
| 7 | difficult it [is] for | 22 |
|
| 8 | difficult [pron] [is] for | 22 |
|
