| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to investigate the [noun sg] | 62 |
|
| 2 | used to investigate the [noun] | 12 |
|
| 3 | [vb pp] to investigate the [noun pl] | 11 |
|
| 4 | designed to investigate the [noun] | 11 |
|
| 5 | appointed to investigate the [noun] | 6 |
|
| 6 | asked to investigate the [noun] | 6 |
|
| 7 | [vb pp] to investigate the affair | 5 |
|
