| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have be [vb pp] on | 80 |
|
| 2 | it have been [vb pp] on | 80 |
|
| 3 | it has be [vb pp] on | 42 |
|
| 4 | it had be [vb pp] on | 30 |
|
| 5 | it 's be [vb pp] on | 8 |
|
| 6 | it have be built on | 7 |
|
| 7 | it have be based on | 5 |
|
