| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [adj] it is for [noun] | 21 |
|
| 2 | how difficult it is [prep] [noun] | 10 |
|
| 3 | how difficult it be for [noun] | 10 |
|
| 4 | how difficult it [be] for [noun] | 10 |
|
| 5 | [adv] difficult it is for [noun] | 9 |
|
| 6 | how difficult [pers pn] is for [noun] | 8 |
|
| 7 | how difficult it [is] for [noun] | 8 |
|
| 8 | how difficult it is for [noun] | 8 |
|
| 9 | how difficult [pron] is for [noun] | 8 |
|
