| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] time [conj] | 649 |
|
| 2 | [vb infin] at [adj] time | 139 |
|
| 3 | [vb infin] at [adj] [conj] | 129 |
|
| 4 | [vb infin] [adj] time [conj] | 60 |
|
