| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [prep] | 4108 |
|
| 2 | been waiting [prep] | 296 |
|
| 3 | [vb past] been waiting | 165 |
|
| 4 | [vb past] waiting [prep] | 64 |
|
