| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] be [verb] | 1565 |
|
| 2 | [vb past] be [verb] at | 769 |
|
| 3 | they be [verb] at | 532 |
|
| 4 | they [vb past] [verb] at | 191 |
|
| 5 | they [vb past] be at | 23 |
|
