| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [det] [noun] | 24438 |
|
| 2 | [was/were] [det] [noun] | 7524 |
|
| 3 | [was/were] at [noun] | 2068 |
|
| 4 | [was/were] at [det] | 536 |
|
