| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | research [vb -s] show that a | 5 |
|
| 2 | research [verb] show that a | 5 |
|
| 3 | research has show that a | 5 |
|
| 4 | research have show that a | 5 |
|
| 5 | research show that a [adj] | 7 |
|
| 6 | research show that a [adj] | 5 |
|
