| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been set [prep] a | 20 |
|
| 2 | have be set [prep] a | 19 |
|
| 3 | had be set [prep] a | 12 |
|
| 4 | have be set in a | 5 |
|
| 5 | have be set at a | 5 |
|
