| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] hard [verb] | 1324 |
|
| 2 | it [be] [verb] but | 56 |
|
| 3 | [be] hard [verb] but | 24 |
|
| 4 | it [be] hard but | 5 |
|
