| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [v-ing] [prep] | 1117 |
|
| 2 | [verb] be [v-ing] at | 461 |
|
| 3 | have be [v-ing] at | 446 |
|
| 4 | have be [verb] at | 424 |
|
| 5 | [vb base] be [v-ing] at | 165 |
|
| 6 | have [be] [v-ing] at | 90 |
|
