| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the research which has [be] [vb pp] | 7 |
|
| 2 | [art] research which has [be] [vb pp] | 7 |
|
| 3 | the research which has [be] [vb pp] | 7 |
|
| 4 | [art] research which has [be] [vb pp] | 7 |
|
| 5 | research which has [be] [vb pp] [prep] | 5 |
|
| 6 | research which has [be] [vb pp] [prep] | 5 |
|
