| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at | 6347 |
|
| 2 | [be] [v-ing] all | 1169 |
|
| 3 | [v-ing] at all | 341 |
|
| 4 | [be] at all | 281 |
|
