| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] at | 2439 |
|
| 2 | been [v-ing] at | 511 |
|
| 3 | be sitting at | 191 |
|
| 4 | [be] sitting at | 191 |
|
| 5 | been sitting [prep] | 111 |
|
| 6 | been sitting [prep] | 111 |
|
| 7 | [been] sitting at | 13 |
|
| 8 | been sit at | 13 |
|
| 9 | been sitting at | 13 |
|
