| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] [prep] the time | 10 |
|
| 2 | should be [vb pp] [prep] the time | 10 |
|
| 3 | should be [vb pp] at the time | 8 |
|
| 4 | should be [vb pp] at the time | 8 |
|
