| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adj] | 23603 |
|
| 2 | it was [adj] | 17332 |
|
| 3 | it [be] hard | 1827 |
|
| 4 | it be hard | 1827 |
|
| 5 | [pron] was hard | 480 |
|
| 6 | it was hard | 463 |
|
| 7 | it [was/were] hard | 440 |
|
