| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] keep up with the | 9 |
|
| 2 | [modal v] [adv] keep up with the | 9 |
|
| 3 | could [adv] keep up with the | 5 |
|
| 4 | could [adv] keep up with the | 5 |
|
| 5 | [adv] keep up with the [noun] | 9 |
|
| 6 | [adv] keep up with the [noun sg] | 7 |
|
