| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] difficult [verb] how | 49 |
|
| 2 | and it [is] [adj] [verb] how | 35 |
|
| 3 | and it [is] [adj] [verb] how | 35 |
|
| 4 | [coord] it [is] difficult [verb] how | 26 |
|
| 5 | and it [is] difficult [verb] [adv] | 22 |
|
| 6 | and it [is] difficult [verb] [Wh adv] | 20 |
|
| 7 | and it [be] difficult [verb] how | 16 |
|
| 8 | and it [is] difficult [verb] how | 14 |
|
| 9 | and [pers pn] [is] difficult [verb] how | 14 |
|
| 10 | and it [is] difficult [verb] how | 14 |
|
| 11 | and it [is] difficult [verb] how | 14 |
|
| 12 | and [pron] [is] difficult [verb] how | 14 |
|
| 13 | and it [is] difficult [verb] how | 14 |
|
