| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | properly investigated [prep] the time [prep] | 5 |
|
| 2 | [adv] investigated at the time [prep] | 5 |
|
| 3 | [adv] investigated [prep] the time of | 5 |
|
| 4 | [adv] investigated [prep] the time [prep] | 5 |
|
| 5 | properly investigated [prep] the time [prep] | 5 |
|
| 6 | [adv] investigated [prep] the time of | 5 |
|
| 7 | [adv] investigated [prep] the time [prep] | 5 |
|
