| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [vb pp] at | 1593 |
|
| 2 | [am/are] [vb pp] up | 1232 |
|
| 3 | [vb pp] up at | 479 |
|
| 4 | [am/are] up at | 15 |
|
