| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] by [noun pl] [verb] | 1379 |
|
| 2 | [verb] by [noun pl] [v-ing] | 513 |
|
| 3 | [verb] [prep] [noun pl] investigating | 23 |
|
| 4 | [verb] [prep] [noun pl] investigating | 23 |
|
| 5 | [verb] by [noun] investigating | 22 |
|
| 6 | [verb] by [noun pl] investigating | 22 |
|
| 7 | [verb] by [noun pl] investigate | 22 |
|
