| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [v-ing] [prep] | 1064 |
|
| 2 | has be [verb] at | 529 |
|
| 3 | [verb] be [v-ing] at | 461 |
|
| 4 | have be [v-ing] at | 446 |
|
| 5 | [vb -s] be [v-ing] at | 89 |
|
| 6 | has [be] [v-ing] at | 73 |
|
