| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adv] [verb] at the time | 37 |
|
| 2 | was [adv] [vb pp] at the time | 35 |
|
| 3 | [be] [adv] investigated at the time | 6 |
|
| 4 | be [adv] investigated at the time | 6 |
|
| 5 | was [adv] investigated [prep] the time | 5 |
|
| 6 | [was/were] [adv] investigated at the time | 5 |
|
| 7 | was [adv] investigated at [art] time | 5 |
|
| 8 | was [adv] investigated at the time | 5 |
|
| 9 | was [adv] investigated at the [noun sg] | 5 |
|
| 10 | was [adv] investigated at the [noun] | 5 |
|
| 11 | was [adv] investigated at the time | 5 |
|
| 12 | was [adv] investigate at the time | 5 |
|
| 13 | was [adv] investigated at the time | 5 |
|
| 14 | was [adv] investigated [prep] the time | 5 |
|
