| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] up the pressure on | 24 |
|
| 2 | keep up the pressure on | 12 |
|
| 3 | [to-vb] up the pressure on | 10 |
|
| 4 | step up the pressure on | 9 |
|
| 5 | [vb past] up the pressure on | 6 |
|
| 6 | to keep up the pressure on | 6 |
|
