| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] at [adj] time of | 6 |
|
| 2 | [v-ing] [adv] at [det] time of | 6 |
|
| 3 | [v-ing] [adv] at [adj] time of | 6 |
|
| 4 | [v-ing] [adv] at this time of | 6 |
|
| 5 | [v-ing] [adv] at this time of | 6 |
|
