| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [verb] [conj] it [verb] | 280 |
|
| 2 | [adj] [verb] [conj] it [verb] | 171 |
|
| 3 | difficult [verb] [conj] [pron] [verb] | 95 |
|
| 4 | difficult [verb] [conj] it [verb] | 16 |
|
