| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] research and [noun sg] | 41 |
|
| 2 | [pron] research and [noun sg] | 32 |
|
| 3 | [pron] [det] research [noun sg] | 17 |
|
| 4 | [pron] [det] and [noun sg] | 14 |
|
| 5 | [pron] [det] research and | 12 |
|
