| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] at [art] [noun] | 409 |
|
| 2 | [conj] [verb] at [art] time | 65 |
|
| 3 | [conj] [v-ing] [prep] [art] time | 19 |
|
| 4 | [conj] [v-ing] at [art] time | 6 |
|
