| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [adv] [prep] a time | 7 |
|
| 2 | [modal v] [vb infin] [adv] [prep] a time | 7 |
|
| 3 | [vb infin] [verb] [adv] [prep] a time | 5 |
|
| 4 | [vb infin] [adv] [prep] a [adj] time | 17 |
|
| 5 | [vb infin] [adv] [prep] a [adj] time | 17 |
|
| 6 | [vb infin] [adv] [prep] a long time | 15 |
|
| 7 | [vb infin] [adv] [prep] a long time | 15 |
|
