| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [verb] at the time | 7 |
|
| 2 | may [verb] at the time | 7 |
|
| 3 | may [vb infin] at the time | 7 |
|
| 4 | may [verb] at the time | 7 |
|
