| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] carried out by the [noun] | 120 |
|
| 2 | [noun sg] carried out by the [noun] | 74 |
|
| 3 | research carried out [prep] the [noun] | 19 |
|
| 4 | research carried out by [art] [noun] | 14 |
|
| 5 | research carried out by [art] [noun] | 14 |
|
| 6 | research carried out by the [noun] | 12 |
|
| 7 | research carried out by the [noun] | 12 |
|
| 8 | research carried [adv prt] by the [noun] | 12 |
|
| 9 | research [verb] out by the [noun] | 12 |
|
| 10 | research carried [adv] by the [noun] | 12 |
|
| 11 | research carried out by the [noun] | 12 |
|
| 12 | research carry out by the [noun] | 12 |
|
| 13 | research [vb pp] out by the [noun] | 12 |
|
