| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] at [art] | 180 |
|
| 2 | [was/were] at [art] time | 123 |
|
| 3 | it [was/were] [art] time | 114 |
|
| 4 | it at [art] time | 107 |
|
