| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [that] it [is] [adj] | 169 |
|
| 2 | [adj] [conj] it [is] difficult | 42 |
|
| 3 | [adj] [that] it [be] difficult | 29 |
|
| 4 | [adj] [that] it [is] difficult | 22 |
|
| 5 | [adj] [that] [pers pn] [is] difficult | 22 |
|
| 6 | [adj] [that] [pron] [is] difficult | 22 |
|
