| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [v-ing] at | 2980 |
|
| 2 | [pron] has be [v-ing] | 968 |
|
| 3 | has be [v-ing] at | 73 |
|
| 4 | [pron] has be at | 57 |
|
