| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be built on this | 9 |
|
| 2 | [be] built on this | 9 |
|
| 3 | [was/were] built on this | 5 |
|
| 4 | built on this [noun] | 10 |
|
| 5 | built on this [noun sg] | 9 |
|
