| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [adj] it [is] [prep] | 132 |
|
| 2 | how difficult it [be] [prep] | 31 |
|
| 3 | [adv] difficult it [is] [prep] | 24 |
|
| 4 | how difficult [pers pn] [is] [prep] | 21 |
|
| 5 | how difficult [pron] [is] [prep] | 21 |
|
| 6 | how difficult it [is] [prep] | 21 |
|
