| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb -s] at | 571 |
|
| 2 | [conj] at time | 291 |
|
| 3 | [vb -s] at time | 64 |
|
| 4 | [conj] [vb -s] time | 34 |
|
