| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at the [noun sg] | 9395 |
|
| 2 | [adv] investigate the [noun sg] | 97 |
|
| 3 | investigate at the [noun sg] | 9 |
|
| 4 | [adv] investigate at the | 7 |
|
