| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at [art] [noun sg] of | 3205 |
|
| 2 | [adv] investigate [art] [noun sg] of | 55 |
|
| 3 | [adv] investigate at [art] [noun sg] | 7 |
|
| 4 | investigate at [art] [noun sg] of | 5 |
|
