| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] be kept [prep] [adj] | 5 |
|
| 2 | [vb past] to be kept [prep] [adj] | 5 |
|
| 3 | [vb past] [prep] be kept [prep] [adj] | 5 |
|
| 4 | [vb past] to be kept [prep] [adj] | 5 |
|
| 5 | [vb past] be kept [prep] [art] [adj] | 7 |
|
| 6 | [vb past] be kept [prep] [art] [adj] | 7 |
|
| 7 | [vb past] be kept [prep] [adj] [noun sg] | 5 |
|
| 8 | [vb past] be kept [prep] [adj] [noun] | 5 |
|
