| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was at the time | 76 |
|
| 2 | were at the time | 26 |
|
| 3 | is at the time | 12 |
|
| 4 | been at the time | 5 |
|
| 5 | be at the time | 5 |
|
| 6 | being at the time | 5 |
|
| 7 | are at the time | 5 |
|
