| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] be [prep] [art] | 137 |
|
| 2 | [pron] [vb past] be at [art] | 109 |
|
| 3 | they [verb] be at [art] | 13 |
|
| 4 | they [vb past] [be] at [art] | 10 |
|
