| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not [vb infin] a time | 9 |
|
| 2 | [modal v] not remember a time | 7 |
|
| 3 | could not [vb infin] a time | 6 |
|
| 4 | could not [vb infin] a time | 6 |
|
