| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [is] difficult [verb] | 194 |
|
| 2 | [coord] it [is] [adj] know | 41 |
|
| 3 | [coord] it [is] [adj] know | 41 |
|
| 4 | [conj] it [is] difficult know | 19 |
|
| 5 | [coord] it [be] difficult know | 10 |
|
| 6 | [coord] [pers pn] [is] difficult know | 8 |
|
| 7 | [coord] [pron] [is] difficult know | 8 |
|
| 8 | [coord] it [is] difficult know | 8 |
|
| 9 | [coord] it [is] difficult know | 8 |
|
