| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] keeping a [adj] [noun] | 5 |
|
| 2 | had be keeping a [adj] [noun] | 5 |
|
| 3 | had been keeping a [adj] [noun] | 5 |
|
| 4 | had [be] keeping a [adj] [noun sg] | 5 |
|
| 5 | had [be] keeping a [adj] [noun] | 5 |
|
