| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] investigated at the [noun] of | 5 |
|
| 2 | [adv] investigate at the [noun] of | 5 |
|
| 3 | properly investigate at the [noun] of | 5 |
|
| 4 | [adv] investigate at the [noun sg] of | 5 |
|
| 5 | [adv] investigate at the [noun] of | 5 |
|
| 6 | [adv] investigate at the [noun] of | 5 |
|
| 7 | properly investigate at the [noun] of | 5 |
|
| 8 | [adv] investigate at the time of | 5 |
|
| 9 | [adv] investigate at the time of | 5 |
|
