| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | kept [adv prt] [prep] date | 37 |
|
| 2 | kept [adv prt] to date | 37 |
|
| 3 | kept up [prep] date | 37 |
|
| 4 | kept [adv prt] to date | 37 |
|
