| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to keep [noun] [adv prt] to [noun sg] | 6 |
|
| 2 | to keep [noun] up to [noun sg] | 5 |
|
| 3 | to keep [noun] up to [noun sg] | 5 |
|
| 4 | to keep [noun] [adv] to date | 5 |
|
