| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | does [adv] always work | 20 |
|
| 2 | [vb -s] not always work | 20 |
|
| 3 | [vb -s] [not/n't] always work | 20 |
|
| 4 | [vb -s] [adv] always work | 20 |
|
| 5 | [vb -s] not always work | 11 |
|
| 6 | [vb -s] n't always work | 9 |
|
