| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not [adv] | 16059 |
|
| 2 | [is] not [adv] | 15483 |
|
| 3 | [be] not always | 1615 |
|
| 4 | [is] [adv] always | 1099 |
|
| 5 | [is] not always | 864 |
|
