| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been waiting [adj] | 11 |
|
| 2 | [vb past] [been] waiting [det] | 9 |
|
| 3 | [vb past] [been] waiting all | 8 |
|
| 4 | had [been] waiting [adj] | 8 |
|
| 5 | [vb past] [been] waiting all | 8 |
|
