| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [adv] investigating the | 15 |
|
| 2 | are [adv] investigating a | 7 |
|
| 3 | are still investigating [art] | 5 |
|
| 4 | are now investigating [art] | 5 |
|
| 5 | are also investigating [art] | 5 |
|
