| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] were built at | 22 |
|
| 2 | [noun pl] were built at | 18 |
|
| 3 | were built at [noun] | 17 |
|
| 4 | were built at [noun prp] | 15 |
|
| 5 | were built at the | 7 |
|
| 6 | were built at [art] | 7 |
|
| 7 | were built at [art] | 7 |
|
| 8 | were built at the | 7 |
|
