| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] to keep [adv prt] the [noun] [prep] | 7 |
|
| 2 | [vb pp] to keep up the [noun] [prep] | 7 |
|
| 3 | [vb pp] to keep [adv prt] the [noun sg] [prep] | 6 |
|
| 4 | [vb pp] to keep [adv prt] the pressure [prep] | 5 |
|
| 5 | [vb pp] to keep [adv prt] the pressure [prep] | 5 |
|
