| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adj] | 23603 |
|
| 2 | it [be] hard | 1928 |
|
| 3 | it be hard | 1928 |
|
| 4 | [pron] was hard | 508 |
|
| 5 | it [was/were] hard | 464 |
|
