| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [adj] it [vb mod] | 211 |
|
| 2 | how [adj] it [vb mod] | 195 |
|
| 3 | [adv] difficult it [vb mod] | 42 |
|
| 4 | [Wh adv] difficult it [vb mod] | 33 |
|
| 5 | how difficult [pers pn] [vb mod] | 30 |
|
| 6 | how difficult [pron] [vb mod] | 30 |
|
| 7 | how difficult it [vb mod] | 28 |
|
| 8 | how difficult it [vb mod] | 28 |
|
| 9 | how difficult it [vb mod] | 28 |
|
| 10 | how difficult it [modal v] | 28 |
|
