| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] at the time of | 11 |
|
| 2 | it be at the time [prep] | 11 |
|
| 3 | it was at the time [prep] | 9 |
|
| 4 | it [was/were] at the time [prep] | 9 |
|
