| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at [pron] | 1231 |
|
| 2 | 've be [v-ing] [pron] | 411 |
|
| 3 | 've be [v-ing] at | 69 |
|
| 4 | 've be at [pron] | 9 |
|
