| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] used | 1210 |
|
| 2 | is [adv] used | 1098 |
|
| 3 | is never [verb] | 313 |
|
| 4 | is never [vb pp] | 240 |
|
| 5 | be never used | 43 |
|
| 6 | [be] never used | 43 |
|
| 7 | [is] never used | 15 |
|
| 8 | is never used | 12 |
|
| 9 | is never use | 12 |
|
