| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at the [det] time | 140 |
|
| 2 | [adv prt] at the [det] time | 94 |
|
| 3 | [v-ing] [adv prt] at the time | 24 |
|
| 4 | [v-ing] [adv prt] at the [det] | 11 |
|
| 5 | [v-ing] [adv prt] at [det] time | 10 |
|
