| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been keep a [adj] | 6 |
|
| 2 | had be keep a [adj] | 6 |
|
| 3 | [vb past] be keep a [adj] | 6 |
|
| 4 | [vb past] be keeping a [adj] | 5 |
|
