| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [vb infin] from [noun] to time | 9 |
|
| 2 | may [vb infin] from time to time | 9 |
|
| 3 | may [vb infin] from [noun sg] to time | 9 |
|
| 4 | may [vb infin] from time to time | 9 |
|
