| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [prep] the | 5000 |
|
| 2 | [adv] [prep] the period | 185 |
|
| 3 | [was/were] [prep] the period | 16 |
|
| 4 | [was/were] [adv] the period | 8 |
|
