| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [vb infin] a [adj] time | 19 |
|
| 2 | may [vb infin] a [adj] time | 19 |
|
| 3 | may take a [adj] time | 12 |
|
| 4 | may [vb infin] a long time | 11 |
|
