| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] at least [art] | 75 |
|
| 2 | should [verb] at [adv] [art] | 20 |
|
| 3 | should [verb] at [adv] [art] | 19 |
|
| 4 | should [verb] [prep] least [art] | 17 |
|
| 5 | should [verb] at least [art] | 17 |
|
| 6 | should [verb] [prep] least [art] | 17 |
|
| 7 | should [verb] at least [art] | 17 |
|
| 8 | should [verb] at least [art] | 17 |
|
