| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [is] difficult [verb] [conj] | 20 |
|
| 2 | [coord] it [is] [adj] [verb] whether | 12 |
|
| 3 | [coord] it [is] [adj] [verb] whether | 12 |
|
| 4 | [conj] it [is] difficult [verb] whether | 9 |
|
| 5 | [coord] it [is] difficult [verb] [subord] | 7 |
|
| 6 | [coord] it [be] difficult [verb] whether | 6 |
|
| 7 | [coord] [pron] [is] difficult [verb] whether | 5 |
|
| 8 | [coord] it [is] difficult [verb] whether | 5 |
|
| 9 | [coord] [pers pn] [is] difficult [verb] whether | 5 |
|
| 10 | [coord] it [is] difficult [verb] whether | 5 |
|
| 11 | [coord] it [is] difficult [verb] whether | 5 |
|
