| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [prep] the time when | 6 |
|
| 2 | [vb mod] [verb] [prep] the time when | 6 |
|
| 3 | [modal v] [verb] [prep] the time when | 6 |
|
| 4 | [modal v] [vb infin] [prep] the time when | 6 |
|
| 5 | [modal v] [verb] [prep] the time when | 6 |
|
