| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] keep [adv prt] [art] | 26 |
|
| 2 | [modal v] keep [adv prt] [art] | 26 |
|
| 3 | [modal v] keep [adv prt] the | 24 |
|
| 4 | [modal v] keep [adv prt] the | 24 |
|
| 5 | [modal v] keep up [art] | 21 |
|
| 6 | can keep [adv prt] [art] | 7 |
|
| 7 | can keep [adv prt] [art] | 7 |
|
| 8 | will keep [adv prt] [art] | 6 |
|
| 9 | must keep [adv prt] [art] | 6 |
|
| 10 | must keep [adv prt] [art] | 6 |
|
