| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] kept up the [noun] | 6 |
|
| 2 | have kept up the [noun] | 6 |
|
| 3 | kept up [prep] the [noun] | 5 |
|
| 4 | kept up [prep] the [noun] | 5 |
|
