| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] on [art] [noun pl] | 8302 |
|
| 2 | [noun sg] on [art] [noun pl] | 5210 |
|
| 3 | research on [art] [noun] | 160 |
|
| 4 | research [prep] [art] [noun pl] | 136 |
|
| 5 | research [prep] [art] [noun pl] | 136 |
|
| 6 | research on [art] [noun pl] | 26 |
|
| 7 | research on [art] [noun pl] | 26 |
|
| 8 | research on [art] [noun pl] | 26 |
|
