| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [verb] a | 652 |
|
| 2 | [verb] [be] keep a | 30 |
|
| 3 | have [be] keep a | 24 |
|
| 4 | had [be] keep [art] | 12 |
|
| 5 | [vb past] [be] keep a | 12 |
|
