| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [art] time | 224 |
|
| 2 | [v-ing] [to-vb] at [art] | 190 |
|
| 3 | [to-vb] at [art] time | 71 |
|
| 4 | [v-ing] [to-vb] [art] time | 16 |
|
