| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [v-ing] at the | 48 |
|
| 2 | to be [adv] at the | 23 |
|
| 3 | to be [v-ing] [adv] at | 22 |
|
| 4 | be [v-ing] [adv] at the | 21 |
|
| 5 | to be [v-ing] [adv] the | 8 |
|
