| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep up the pressure | 43 |
|
| 2 | to keep up the pressure | 14 |
|
| 3 | kept up the pressure | 10 |
|
| 4 | keep up the pressure | 7 |
|
| 5 | keep up the pressure | 5 |
|
