| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the research [that] has been [verb] | 5 |
|
| 2 | the research [that] has been [verb] | 5 |
|
| 3 | [art] research [that] has been [verb] | 5 |
|
| 4 | [art] research [that] has been [verb] | 5 |
|
| 5 | research [that] has been [verb] [prep] | 6 |
|
| 6 | research [that] has been [verb] [prep] | 6 |
|
