| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] at this time | 53 |
|
| 2 | it be at this time | 53 |
|
| 3 | it [was/were] at this time | 44 |
|
| 4 | it was at this time | 44 |
|
| 5 | it [is] at this time | 7 |
|
| 6 | it is at this time | 7 |
|
