| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [prep] | 4611 |
|
| 2 | be waiting [prep] | 1636 |
|
| 3 | [vb past] be waiting | 165 |
|
| 4 | [vb past] waiting [prep] | 64 |
|
