| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [noun sg] is [verb] | 1033 |
|
| 2 | research [noun sg] is [verb] | 82 |
|
| 3 | research and [noun sg] [verb] | 62 |
|
| 4 | research and [noun sg] is | 16 |
|
