| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at the | 7051 |
|
| 2 | [am/are] [v-ing] the | 3694 |
|
| 3 | [am/are] [v-ing] at | 1407 |
|
| 4 | [am/are] at the | 605 |
|
