| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] at [art] | 1224 |
|
| 2 | is [vb pp] at [art] | 871 |
|
| 3 | is kept [prep] [art] | 89 |
|
| 4 | is kept [prep] [art] | 89 |
|
| 5 | be kept at [art] | 51 |
|
| 6 | [be] kept at [art] | 51 |
|
| 7 | is keep at [art] | 12 |
|
| 8 | is kept at [art] | 12 |
|
| 9 | [is] kept at [art] | 12 |
|
