| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [was/were] built [prep] the | 34 |
|
| 2 | [Wh det] was built [prep] the | 24 |
|
| 3 | [Wh det] [was/were] built in the | 13 |
|
| 4 | [Wh det] were built [prep] the | 11 |
|
| 5 | [Wh det] [was/were] built by the | 6 |
|
