| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adj] | 24135 |
|
| 2 | it [was/were] [adj] | 17708 |
|
| 3 | it [be] hard | 1827 |
|
| 4 | [pron] [was/were] hard | 516 |
|
| 5 | it [was/were] hard | 464 |
|
