| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be kept [adv] | 77 |
|
| 2 | to be kept [adv] | 45 |
|
| 3 | to be kept [adv prt] | 32 |
|
| 4 | to be kept up | 10 |
|
| 5 | to be kept up | 10 |
|
| 6 | to be kept out | 8 |
|
| 7 | to be kept out | 8 |
|
| 8 | to be kept apart | 5 |
|
| 9 | to be kept apart | 5 |
|
