| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [been] [art] hard | 8 |
|
| 2 | it had [been] a hard | 8 |
|
| 3 | it had [been] [art] hard | 8 |
|
| 4 | it had [been] a hard | 8 |
|
