| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to keep up the [noun] | 30 |
|
| 2 | [verb] to keep up the [noun sg] | 27 |
|
| 3 | [vb pp] to keep up the [noun] | 12 |
|
| 4 | [verb] to keep up the pressure | 10 |
|
| 5 | [verb] to keep up the pressure | 10 |
|
| 6 | [verb] to keep up the pretence | 5 |
|
| 7 | [verb] to keep up the pretence | 5 |
|
