| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] [adj] [to-vb] | 4786 |
|
| 2 | [conj] [pron] [be] hard [to-vb] | 300 |
|
| 3 | [conj] it [be] hard [verb] | 284 |
|
