| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at this time [prep] | 489 |
|
| 2 | [vb infin] at this time | 21 |
|
| 3 | [vb infin] at this [prep] | 11 |
|
| 4 | [vb infin] this time [prep] | 8 |
|
