| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [art] [adj] research and [noun sg] | 8 |
|
| 2 | [conj] [art] [adj] research and [noun sg] | 8 |
|
| 3 | [conj] [art] [adj] research and development | 6 |
|
| 4 | [coord] [art] [adj] research and [noun sg] | 5 |
|
| 5 | [conj] the [adj] research and [noun sg] | 5 |
|
| 6 | [conj] the [adj] research and [noun sg] | 5 |
|
