| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [prep] a time | 21 |
|
| 2 | [vb mod] [verb] [prep] a time | 21 |
|
| 3 | [modal v] [vb infin] [prep] a time | 20 |
|
| 4 | [modal v] [verb] at a time | 9 |
|
| 5 | [modal v] [verb] at a time | 9 |
|
| 6 | would [verb] [prep] a time | 6 |
|
| 7 | would [verb] [prep] a time | 6 |
|
| 8 | can [verb] [prep] a time | 5 |
|
| 9 | [modal v] [verb] for a time | 5 |
|
| 10 | can [verb] [prep] a time | 5 |
|
| 11 | [modal v] [verb] for a time | 5 |
|
