| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at [art] | 2298 |
|
| 2 | [be] [v-ing] at [art] | 2298 |
|
| 3 | 'm [v-ing] [prep] [art] | 697 |
|
| 4 | [am/are] [v-ing] at [art] | 448 |
|
| 5 | 'm [verb] at [art] | 67 |
|
