| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [prep] | 4611 |
|
| 2 | [vb past] be [prep] | 4611 |
|
| 3 | [verb] be since | 49 |
|
| 4 | [vb past] [be] since | 21 |
|
| 5 | [vb past] be since | 21 |
|
