| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] at the | 306 |
|
| 2 | be [v-ing] at the time | 84 |
|
| 3 | be [adv] at the time | 75 |
|
| 4 | [v-ing] [adv] at the time | 34 |
|
| 5 | be [v-ing] [adv] the time | 5 |
|
