| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should always [verb] [prep] [noun sg] [prep] | 9 |
|
| 2 | should always keep [prep] [noun sg] [prep] | 6 |
|
| 3 | should always keep [prep] [noun sg] [prep] | 6 |
|
| 4 | [modal v] always keep [prep] [noun sg] [prep] | 6 |
|
| 5 | should [adv] keep [prep] [noun sg] [prep] | 6 |
|
| 6 | should [adv] keep [prep] [noun sg] [prep] | 6 |
|
| 7 | should always keep [prep] [noun] [prep] | 6 |
|
