| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is it [adj] | 2201 |
|
| 2 | is it [adj] | 1626 |
|
| 3 | [be] it hard | 19 |
|
| 4 | be it hard | 19 |
|
| 5 | is [pron] hard | 16 |
|
| 6 | is it hard | 14 |
|
| 7 | [is] it hard | 11 |
|
