| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [verb] [prep] [art] time | 77 |
|
| 2 | [was/were] [adv] [vb pp] [prep] [art] time | 70 |
|
| 3 | [was/were] [adv] investigated [prep] [art] [noun] | 11 |
|
| 4 | [was/were] [adv] investigated [prep] [art] [noun sg] | 10 |
|
| 5 | [be] [adv] investigated [prep] [art] time | 6 |
|
| 6 | [was/were] [adv] investigate [prep] [art] time | 5 |
|
| 7 | [was/were] [adv] investigated [prep] [art] time | 5 |
|
| 8 | [was/were] [adv] investigated [prep] [art] time | 5 |
|
| 9 | [was/were] [adv] investigated [prep] [art] time | 5 |
|
