| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] at [art] | 581 |
|
| 2 | [conj] at [art] time | 516 |
|
| 3 | [v-ing] at [art] time | 224 |
|
| 4 | [conj] [v-ing] [art] time | 29 |
|
