| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at the | 2750 |
|
| 2 | [was/were] [vb pp] at the | 1890 |
|
| 3 | [was/were] built [prep] the | 406 |
|
| 4 | [be] built at the | 59 |
|
| 5 | [was/were] built at [art] | 33 |
|
| 6 | [was/were] build at the | 30 |
|
