| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] it [is] [adj] [verb] | 78 |
|
| 2 | is [conj] it [is] [adj] [verb] | 68 |
|
| 3 | [be] [conj] it [is] hard [verb] | 7 |
|
| 4 | be [conj] it [is] hard [verb] | 7 |
|
| 5 | is [conj] it [is] hard [verb] | 6 |
|
| 6 | is [conj] it [be] hard [verb] | 6 |
|
| 7 | [is] [conj] it [is] hard [verb] | 6 |
|
| 8 | is [conj] [pron] [is] hard [verb] | 6 |
|
