| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be kept [adj] | 92 |
|
| 2 | [prep] be kept clean | 11 |
|
| 3 | [prep] be kept alive | 8 |
|
| 4 | [prep] be kept secret | 7 |
|
| 5 | [prep] be kept open | 6 |
|
| 6 | [prep] be kept busy | 5 |
|
| 7 | [prep] be kept distinct | 5 |
|
| 8 | [prep] be kept separate | 5 |
|
