| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [adj] [prep] | 160 |
|
| 2 | should have been [adj] [prep] | 57 |
|
| 3 | they should have been [adj] | 9 |
|
| 4 | they should have been [prep] | 7 |
|
