| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv prt] at the | 341 |
|
| 2 | be [vb pp] at the time | 297 |
|
| 3 | [vb pp] [adv prt] at the time | 27 |
|
| 4 | be [adv prt] at the time | 26 |
|
