| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] has be [v-ing] | 175 |
|
| 2 | [conj] be [v-ing] at | 112 |
|
| 3 | has be [v-ing] at | 73 |
|
| 4 | [conj] has be at | 5 |
|
