| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as a [noun] [noun sg] | 7462 |
|
| 2 | as a [noun sg] [noun sg] | 6877 |
|
| 3 | [prep] a research [noun sg] | 233 |
|
| 4 | as [art] research [noun sg] | 59 |
|
| 5 | as a research [noun] | 55 |
|
| 6 | as a research [noun sg] | 54 |
|
