| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] up [art] | 1180 |
|
| 2 | [vb mod] keep [adv] [art] | 27 |
|
| 3 | [vb mod] keep [adv prt] [art] | 26 |
|
| 4 | [vb mod] keep up [art] | 21 |
|
| 5 | [modal v] keep up [art] | 21 |
|
